This is a list of flags used inThailand.
| Flag | Date | Use | Description | Usage |
|---|---|---|---|---|
 | 1917–present | Flag of Thailand | Five horizontal stripes of red, white, blue, white and red, the middle stripe twice as wide as the others. The flag colors were officially standardized in 2017. | National flag |
| Flag | Date | Use | Description |
|---|---|---|---|
 | 1911– | Royal Standard of theKing of Thailand | A yellow plain square flag with a dancing redGaruda in the center. Usually mounted in front of the car boarded by the King. |
 | 2019 – | Standard of QueenSirikit the Queen Mother | Similar to the Royal Standard in the ratio of 2:3 with swallow-tail end and the royal monogram of Queen Sirikit at the canton.[1] |
 | 1911– | Standard of theQueen of Thailand | King's Standard in ratio 2:3 with swallow-tailed end. |
 | 1979– | Standard for Senior members of the royal family (created for thePrincess Mother) | Queen's Standard in ratio 2:3 with swallow-tailed end. The blue middle square depicts the Royal Crown atop two bowls on a table flanked by two five-tiered royal umbrellas. |
 | 1911– | Standard of theCrown Prince of Thailand. | Thai king's standard with blue border. |
.svg) | 2019 – | Standard of PrincessMaha Chakri Sirindhorn | Dark blue rectangle with the ratio of 2:3 defaced with the Royal Standard. The flag is swallow-tail and has the royal monogram of Princess Maha Chakri Sirindhorn at the canton.[1] |
.svg) | 2019 – | Standard of PrincessChulabhorn Krom Phra Srisavangavadhana | Dark blue rectangle defaced with yellow circle. The circle features the red Garuda. At the canton of the blue field has the royal monogram of Princess Chulabhorn Walailak. The flag is swallow-tail[1] |
 | 1911– | Standard for the Royal Consort of the Crown Prince of Thailand. | Blue 2:3 rectangle defaced with King's Standard. The flag is swallow-tailed. |
 | 1911– | Standard for other princes in theChakri dynasty. | Blue square defaced with yellow circle. The circle features red Garuda. |
 | 1911– | Standard for other princesses in the Chakri dynasty. | Standard for the male royalties in ratio 2:3 with swallow-tailed end. |
 | 1936– | Standard for theRegent of Thailand. | A white plain square flag with the Garuda and a shield depicting the National Flag in the center. |
| Flag | Date | Use | Description |
|---|---|---|---|
 | 2016–present | Personal Flag ofKing Vajiralongkorn | Yellow flag (the King'sbirthday colour), the middle the depicts theRoyal Cypher (ว.ป.ร.: มหาวชิราลงกรณปรมราชาธิราช : MahavajiralongkornParamarajadhiraja (Thai equivalent to Vajiralongkorn Rex), topped by theGreat Crown of Victory, in between is the Thai numeral of 10. |
 | 2019–present | Personal Flag ofQueen Suthida | Purple flag (the Queen'sbirthday colour), the middle the depicts theRoyal Cypher (ส.ท.:สุทิดา :Suthida), the middle is Queen Suthida's Royal Cypher, topped by the Great Crown of Victory. |
 | 1977–present | Personal Flag ofPrincess Maha Chakri Sirindhorn | Purple flag (the Princess'birthday colour), the middle the depicts theRoyal Cypher (ส.ธ.:สิรินธร :Sirindhorn), the middle is the Royal Cypher, topped by the simplified crown. |
 | 1982–present | Personal Flag ofPrincess Chulabhorn Walailak | Orange flag (the Princess'birthday colour), the middle the depicts theRoyal Cypher (จ.ภ.:จุฬาภรณวลัยลักษณ์ :Chulabhorn), the middle is the Royal Cypher, topped by the simplified crown. |
 | 2001–present | Personal Flag ofPrincess Ubolratana Rajakanya | Red flag (the Princess'birthday colour), the middle the depicts theRoyal Cypher (อ.ร.:อุบลรัตนราชกัญญา :Ubolratana), the middle is the Royal Cypher, but not topped by the simplified crown. |
 | 1977–present | Personal Flag ofPrincess Soamsawali | Purple flag (the Princess'birthday colour), the middle the depicts theRoyal Cypher (ส.ส.: โสมสวลี :Soamsawali), the middle is the Royal Cypher, under the Buddhist/Hindu sacred sign of "Unalome". |
.svg) | 2019–present | Personal Flag ofPrincess Bajrakitiyabha | Orange flag (the Princess'birthday colour), the middle the depicts theRoyal Cypher (พ.ภ.:พัชรกิติยาภา :Bajrakitiyabha), the middle is the Royal Cypher, topped by the simplified crown. |
 | Personal Flag ofPrincess Sirivannavari Nariratana | Orange flag (the Princess'birthday colour), the middle the depicts theRoyal Cypher (ส.ร.:สิริวัณณวรีนารีรัตน์ :Sirivannavari), the middle is the Royal Cypher, topped by the simplified crown. | |
 | Personal Flag ofPrince Dipangkorn Rasmijoti | Blue flag (the Prince'sbirthday colour), the middle the depicts theRoyal Cypher (ท.ป.:ทีปังกรรัศมีโชติ :Dipangkorn), the middle is the Royal Cypher, topped by the simplified crown. | |
 | 1982–present | Personal Flag ofPrincess Siribhachudabhorn | Blue flag (the Princess'birthday colour), the middle the depicts theRoyal Cypher (ส.ภ.:สิริภาจุฑาภรณ์ :Siribhachudabhorn), the middle is the Royal Cypher, topped by the glowing tiara. |
 | 2016–present | Personal Flag ofPrincess Aditayadornkitikhun | Purple flag (the Princess'birthday colour), the middle the depicts theRoyal Cypher (อ.ก.:อทิตยาทรกิติคุณ :Aditayadornkitikhun), the middle is the Royal Cypher. |
| Flag | Date | Use | Description |
|---|---|---|---|
 | 1979– | Flag of theprime minister of Thailand | White flag in ratio 5:6 with the Prime Minister's seal under the royal crown. |
 | 1936– | Flag of thedefence minister of Thailand | White flag in ratio 5:6 with the Emblem of the Ministry of Defence in the center. The emblem consists of a red chakra (Army), the dark blue anchor (Navy) and the sky blue wings (Air Force). |
 | 1979– | Flag of thepresident of the National Assembly of Thailand | White flag in ratio 5:6 with the National Assembly of Thailand's seal under the royal crown. |
 | Flag of the president of theSupreme Court of Thailand | White flag in ratio 5:6 with the Supreme Court of Thailand's seal under the royal crown. |
| Flag | Date | Use | Description |
|---|---|---|---|
 | 1917– | NavalJack | A national flag with the emblem ofRoyal Thai Navy in the center: a chakra inserted with an anchor under the Thai royal crown. The design is identical to Thai naval unit colours. Note that all Thai Army, Navy and Air Force unit colours called "Thong Chai Chalermphol" (ธงชัยเฉลิมพล [th]). |
 | Naval Ensign | A red disc containing a white elephant in regalia centred on the national flag. |
| Flag | Date | Use | Description |
|---|---|---|---|
 | 1979– | Royal Thai Armed Forces Headquarters Flag | Red, Navy blue and Sky blue flag with the emblem ofRoyal Thai Armed Forces: at the center of the tricolour is a badge of the Headquarters with a golden Chakra, with an anchor with golden chains and golden Wings, surrounded by a golden wreath. (from Flag law B.E.2522 (1979)). |
 | Royal Thai Army Flag | Red flag with the emblem ofRoyal Thai Army: a chakra under Unalom and the Thai royal crown with rays flanked by the wreaths (from Flag law B.E.2522 (1979)). | |
 | Royal Thai Navy Flag | Navy blue flag with the emblem ofRoyal Thai Navy in the white circle (from Flag law B.E.2522 (1979)). | |
 | Royal Thai Air Force Flag | Blue sky flag with the emblem ofRoyal Thai Air Force: wings with Unalom under the Thai royal crown and rays (from Flag law B.E.2522 (1979)). | |
 | Flag forChief of Defence Forces | Red, Navy blue and Sky blue flag with the emblem ofRoyal Thai Armed Forces with five stars underneath. | |
 | Flag forCommander-in-Chief of the Royal Thai Army | Red flag with the emblem ofRoyal Thai Army with five stars underneath. | |
 | 1897– | Flag forCommander-in-Chief of the Royal Thai Navy | Navy blue flag with the emblem ofRoyal Thai Navy. |
 | 1979– | Flag forCommander-in-Chief of the Royal Thai Air Force | Sky blue flag with yellow borders and the emblem ofRoyal Thai Air Force with a shield depicting the National flag. |
| Flag | Date | Use | Description |
|---|---|---|---|
 | 1958– | Royal Thai Police Headquarters | Maroon red flag with the emblem of the Thai National Police in the center. |
 | 1979– | Pitak Santiraj flag | An honour flag of the Royal Thai Police according to the Thai Flag Act of B.E. 2522 (1979). It has the same characteristics and colors as the National Flag but in the centre of the flag is the coat of arms of Siam during the reign of King Chulalongkorn (Rama V), with the words "To Protect the People's Peace" (พิทักษ์สันติราษฎร์ – pronounce"Pitak Santiraj") embroidered in silver metallic threads embracing the underside of the coat of arms. |
| Flag | Date | Use | Description |
|---|---|---|---|
.svg) | 1958– | TheDharmacakra flag—Buddhism | Yellow is color ofBuddhism, the middle the depicts the Red Thammachak, symbol of The Buddhism Organizations and Buddhists in Thailand. |
.svg) | 1988– | The Cross Flag—Christianity | A white rectangle with a redLatin cross in the center, symbol of the Christian Organizations and Christians in Thailand. |
  | 1997– | TheJihad Flag—Islam | A black or green rectangle with whiteShahada in the center. meaning that "there is no other god butAllah, andMuhammad is the Messenger of Allah," symbol of the Muslim Organizations andMuslims in Thailand. |
| Flag | Date | Use | Description |
|---|---|---|---|
 | 1927– | Ambassador Standard of Thailand | A blue disc containing awhite elephant in regalia centred on the national flag. |
 | Consular Flag of Thailand | Triranga surmounted with blue disc containing a white elephant. |
| Flag | Date | Use | Description |
|---|---|---|---|
 | 1993–present | Flag ofAmnat Charoen Province | Purple field. In the center of the flag is the provincial seal, featuring Phra Mongkol Ming Mueang, a revered Buddha statue significant to the province. |
 | Flag ofAng Thong Province | Bicolor flag with yellow on the top half and green on the bottom half. In the center of the flag is the provincial seal. | |
 | 1972–present | Flag ofBangkok | Green flag with the Seal of the Bangkok Metropolitan, in white at the center. Used by theBangkok Metropolitan Administration and the Governor of Bangkok. |
 | 2011–present | Flag ofBueng Kan Province | Rectangular flag consisting of three horizontal stripes in the proportions of purple, white, and purple. In the center of the flag is the provincial seal. |
 | Flag ofBuriram Province | Purple and orange flag split in half vertically with the purple on the left and the orange on the right with the provincial seal in the center. | |
 | 2007–present | Flag ofChachoengsao Province | Rectangular field of dark red (maroon.) In the center of the flag is the provincial seal, which depictsWat Sothonwararam |
 | Flag ofChai Nat Province | Provincial seal set against a magenta background, which is the symbolic color of the province. | |
 | 1942–present | Flag ofChaiyaphum Province | Horizontal stripes in brown, orange, and brown. In the center of the flag is the provincial seal, depicting the "Thong Sam Chai," an ancient victory flag of the army. |
 | 1997–present | Flag ofChanthaburi Province | A red field. In the center of the flag is the provincial seal, with the text "จังหวัดจันทบุรี" (Chanthaburi Province) displayed below the seal. |
 | Flag ofChiang Mai Province | Rectangular flag with a blue field. In the center of the flag is the provincial seal, which features a white elephant standing within a traditional Thai ornate structure "Ruen Kaew." | |
 | 1942–present | Flag ofChiang Rai Province | Rectangular flag with vertical stripes in blue, purple, and blue. The central purple stripe features a white elephant and a text banner displaying the province's name. |
 | 1942–present | Flag ofChonburi Province | Rectangular flag with horizontal stripes in dark red, yellow, and dark red. In the center of the flag is provincial seal consisting ofKao Sam Muk and the sea. |
 | Flag ofChumphon Province | Blue field. In the center of the flag is the provincial seal, which depicts a goddess standing in a blessing gesture in front of a fort, flanked by two fig trees. | |
 | Flag ofKalasin Province | Horizontal stripes in green, orange, and green. In the center of the flag is the provincial seal, which is a circular emblem containing images of grass, a black water pond (symbolizing the name "Kalasin"), mountains, and rain clouds. Below features a white text that reads "จังหวัดกาฬสินธุ์" (Kalasin Province) in a semi-circular arc. | |
 | Flag ofKamphaeng Phet Province | Rectangular flag with three horizontal stripes. The top stripe is yellow, the middle stripe is red, and the bottom stripe is leaf green. In the center of the red stripe is the provincial seal. | |
.svg) | Flag ofKanchanaburi Province | A blue flag with the central area in vermillion colour and the provincial seal in the center. | |
 | Flag ofKhon Kaen Province | Maroon field. In the center of the flag is the provincial emblem, which depicts a stupa (Phra That Kham Kaen) built on a tree stump. | |
.svg) | Flag ofKrabi Province | Two horizontal stripes. The top stripe is yellow, and the bottom stripe is blue. In the center of the flag is the provincial seal. | |
 | Flag ofLampang Province | Rectangular flag with a green field. In the center of the flag is the provincial seal, which features a white rooster standing within a mandapa structure ofWat Phra That Lampang Luang. | |
 | Flag ofLamphun Province | Rectangular flag with a blue field. In the center of the flag is the provincial seal, which featuresPhra That Hariphunchai. Below the emblem is the text "จังหวัดลำพูน" (Lamphun Province). | |
 | Flag ofLoei Province | Rectangular flag with a blue field. In the center of the flag is the provincial emblem, which featuresPhra That Si Song Rak within a circle. Below the emblem is the text "จังหวัดเลย" (Loei Province). | |
 | Flag ofLopburi Province | Horizontal stripes in blue, white, and blue. In the center of the flag is the provincial emblem, which depicts the four-armedNarai standing in front ofPhra Prang Sam Yot. | |
 | Flag ofMae Hong Son Province | Rectangular flag divided horizontally into three equal parts: brown, blue, and brown. In the center of the blue stripe is the provincial seal within a red circle. | |
 | Flag ofMaha Sarakham Province | Yellow field with a brown stripe running horizontally through the center. Within the brown stripe is the provincial seal. | |
 | 1982–present | Flag ofMukdahan Province | White field, with red borders on three sides (except for the side attached to the flagpole.) In the center of the flag is the provincial seal. |
 | Flag ofNakhon Nayok Province | Green field. In the center of the flag is the provincial seal, which depicts an elephant holding a sheaf of rice. Below the emblem is a yellow ribbon with the text "นครนายก" (Nakhon Nayok Province). | |
 | Flag ofNakhon Pathom Province | Blue field. In the center of the flag is the provincial seal, which depictsPhra Pathom Chedi. The emblem is adorned with theThai numeral "4" within theGreat Crown of Victory. Below the emblem is the text "นครปฐม" (Nakhon Pathom Province) in white. | |
 | Flag ofNakhon Phanom Province | Rectangular flag divided horizontally into two stripes. The top stripe is red and the bottom stripe is black. In the center of the flag is the provincial seal, which featuresPhra That Phanom. | |
 | Flag ofNakhon Ratchasima Province | Orange field. In the center of the flag is the provincial seal, which depicts the monument ofThao Suranari in front of the Chumphon Gate. | |
 | Flag ofNakhon Sawan Province | Blue field. In the center of the flag is the provincial seal, which features an image of a three-spiredvimana. | |
 | 1942–present | Flag ofNakhon Si Thammarat Province | Rectangular flag divided horizontally into two stripes. Purple on the top and yellow on the bottom. In the center of the flag is the provincial seal, which features Phra Borommathat Chedi ofWat Phra Mahathat Woramahawihan, surrounded by the symbols of the twelvezodiac signs. |
 | Flag ofNan Province | Rectangular flag divided horizontally into two stripes. Purple on the top and yellow on the bottom. In the center of the flag is the provincial seal, which features Phra That Chae Haeng on top ofUsuparatch | |
 | Flag ofNarathiwat Province | Yellow square at the hoist. Within the yellow square is the provincial seal, which features an image of aKolae boat with a fully unfurled sail. On the sail is an image of awhite elephant adorned with royal regalia, representing Phra Sri Nararatt Rajakarini, an important elephant presented to King Bhumibol Adulyadej by Narathiwat Province in 1977. The remaining part of the flag consists of seven horizontal stripes in alternating red and white, with four red stripes and three white stripes. | |
 | 1993–present | Flag ofNong Bua Lamphu Province | White field. In the center of the flag is the provincial seal, which depicts a statue ofKing Naresuan standing in front of a shrine. In the background is Nong Bua Lamphu Lake. Below the emblem, there is a ribbon tied in a knot at both ends, with the text "จังหวัดหนองบัวลำภู" (Nong Bua Lamphu Province) inside. |
 | Flag ofNong Khai Province | Horizontal stripes in brown, red, and brown. In the center of the flag is the provincial seal, which features an image of bamboo clumps by a pond. | |
 | Flag ofNonthaburi Province | Vertical stripes in purple and blue. In the center of the flag is the provincial seal, which features an intricately decorated earthenware pot. Symbolized the long-standing pottery-making tradition of the people of Nonthaburi Province. | |
 | Flag ofPathum Thani Province | Vertical stripes in blue and white. In the center of the flag is the provincial seal, which features a lotus flower and a pair of rice sheaf rising above the water. | |
 | Flag ofPattani Province | Rectangular flag divided horizontally into two stripes. yellow on the top and green on the bottom. In the center of the flag is an image of thePhaya Tani cannon. | |
 | 2004–present | Flag ofPhang Nga Province | Rectangular flag with vertical stripes in blue, yellow, and pink. In the center of the flag is the provincial seal, which features an image of a mining dredge,Khao Tapu, andKhao Chang. |
 | Flag ofPhatthalung Province | Horizontal stripes in yellow, purple, and yellow. In the center of the flag is the provincial seal, which features an image ofKhao Ok Thalu. | |
 | Flag ofPhayao Province | Magenta field. In the center of the flag is the provincial seal. | |
 | 1942–present | Flag ofPhetchabun Province | Horizontal stripes in green, white, and green. In the center of the flag is the provincial seal. |
 | Flag ofPhetchaburi Province | Rectangular flag with blue, yellow, and blue horizontal stripes. In the center of the yellow stripe is the provincial seal, which features an image of a rice field, sugar palm trees, andPhra Nakhon Khiri within a circular frame. | |
 | Flag ofPhichit Province | Rectangular flag divided into five stripes, three dark green stripes alternating with two white stripes. In the center of the flag is the provincial seal. | |
 | Flag ofPhitsanulok Province | Purple field. In the center of the flag is the provincial seal, which depicts Phra Buddha Chinaraj within a circular frame adorned with Thai decorative patterns. | |
 | 2023–present | Flag ofPhrae Province | Vertical stripes in Green and red. In the center of the flag is the provincial seal, which features an image of Phra That Cho Hae stupa placed on the back of a horse. |
 | 1942–present | Flag ofPhra Nakhon Si Ayutthaya Province | Rectangular flag with vertical stripes in blue, light blue, and blue. In the center of the flag is the provincial seal, which features a conch shell on the pedestal tray in the pavilion under theCordia dichotoma tree. |
 | Flag ofPhuket Province | Light blue field. In the center of the flag is the provincial seal, which features the statue ofThao Thep Krasattri and Thao Si Sunthon. | |
 | 1942–present | Flag ofPrachin Buri Province | Red field at the hoist, which is designated as the regional color. In the center of the flag is the provincial seal, which features an image of aBodhi tree within a circular frame, The fly end of the flag features a yellow stripe. |
 | Flag ofPrachuap Khiri Khan Province | Yellow field. In the center of the flag is the provincial seal. | |
 | Flag ofRanong Province | Green square at the hoist. Within the green square is the provincial emblem, which features an image of a castle on the clouds. The remaining part of the flag consists of seven horizontal stripes in alternating yellow and orange, with four yellow stripes and three orange stripes. | |
 | Flag ofRatchaburi Province | Blue field. In the center of the flag is the provincial seal, which depictsregalia. | |
 | Flag ofRayong Province | Rectangular flag with vertical stripes in red, yellow, and blue. In the center of the flag is the provincial seal, which features an image of a royal pavilion whereKing Chulalongkorn resided onKo Samet. | |
 | 2002-present | Flag ofRoi Et Province | Yellow field. In the center of the flag is the provincial seal. |
 | 1993-present | Flag ofSa Kaeo Province | Rectangular flag divided horizontally into two stripes. yellow on the top and green on the bottom. In the center of the flag is the provincial seal. |
 | Flag ofSakon Nakhon Province | Rectangular flag divided horizontally into two stripes. blue on the top and yellow on the bottom. In the center of the flag is the provincial seal, which features an image ofWat Phra That Choeng Chum. | |
 | Flag ofSamut Prakan Province | Light blue field. In the center of the flag is the provincial seal. | |
 | 1946–present | Flag ofSamut Sakhon Province | Horizontal stripes in pink, light blue, and pink. In the center of the flag is the provincial seal. |
 | Flag ofSamut Songkhram Province | Vertical stripes in blue, white, and blue. In the center of the flag is the provincial seal. | |
 | 2021–present | Flag ofSaraburi Province | Horizontal stripes in red, white, and red. In the center of the flag is the provincial seal. |
 | 1942–present | Flag ofSatun Province | Green field, with yellow borders on three sides (except for the side attached to the flagpole.) In the center of the flag is the provincial seal. |
 | 2004–present | Flag ofSing Buri Province | Red field, in the center of the flag is the provincial seal, which features an image of a monument honoring the eleven leaders of KhaiBang Rachan |
 | Flag ofSisaket Province | Rectangular flag divided horizontally into two stripes. Orange on the top and white on the bottom. In the center of the flag is the provincial seal. | |
 | Flag ofSongkhla Province | Cyan d, in, the center of the flag features a conch shell on the pedestal trayy | |
 | Flag ofSukhothai Province | Horizontal stripes in red, yellow, and green. In the upper left corner of the flag is the provincial seal. | |
 | Flag ofSuphan Buri Province | Horizontal stripes in blue, orange, and blue. In the center of the flag is the provincial seal. which depicts theelephant duel betweenNaresuan andMingyi Swa | |
 | Flag ofSurat Thani Province | Rectangular flag divided horizontally into two stripes. Orange on the top and Yellow on the bottom. In the center of the flag is the provincial seal. | |
 | Flag ofSurin Province | Horizontal stripes in red, yellow, and green. In the center of the flag is the provincial seal. | |
 | Flag ofTak Province | Purple and yellow flag with 7 stripes: 4 purple and 3 yellow. On the side next to the flagpole is a triangular blue field with the provincial seal, which features an image of Naresuanpouring water over the neck of an elephant. | |
 | Flag ofTrang Province | Horizontal stripes in light blue, white, and light blue. In the center of the flag is the provincial seal. | |
 | 1942–present | Flag ofTrat Province | Horizontal stripes in blue and red. In the center of the flag is the provincial seal. |
 | Flag ofUbon Ratchathani Province | Two horizontal stripes. The top of the flag has a pink lotus flower embroidered on a pink background. Below the flag is the white letter "อุบลราชธานี" (Ubon Ratchathani) embroidered on a green background. | |
 | Flag ofUdon Thani Province | Orange field. In the center of the flag is the provincial seal. | |
 | Flag ofUthai Thani Province | Rectangular flag divided horizontally into two stripes. yellow on the top and green on the bottom. In the center of the flag is the provincial seal. | |
 | Flag ofUttaradit Province | A rectangular flag with an orange background and two dark purple stripes intersecting in the shape of a cross. In the center is the provincial seal, featuring a stone throne covered by a yellow pavilion, flanked by dark blue scroll patterns. In front of the pavilion is a red Garuda, all enclosed within a circular frame with a 70-centimeter diameter. The name of the province is inscribed around the edge of the circle. | |
 | Flag ofYala Province | Rectangular flag divided horizontally into two stripes. green on the top and white on the bottom. In the center of the flag is the provincial seal. | |
 | 1972–present | Flag ofYasothon Province | Rectangular flag divided horizontally into two stripes. pink on the top and light blue on the bottom. In the center of the flag is the provincial seal. |
| Flag | Date | Use | Description |
|---|---|---|---|
 | Flag ofKhon Kaen | A light-blue field with the city seal in the center. | |
 | Flag ofLampang | A green field with the city seal in the center. | |
 | Flag ofMae Sot | A green field with the golden city seal in the center. | |
 | Flag ofNonthaburi | Flag divided horizontally into three stripes, top being red, middle being yellow-gold, and bottom being blue.In the center of the flag, there is a golden city seal anda curved text that says "เทศบาลนครนนทบุรี" which means"Nonthaburi City Municipality". | |
 | Flag ofOm Noi | A purple field with the city seal in the center. | |
 | Flag ofPak Kret | A red field with the city seal in the center. | |
 | Flag ofPattaya | A blue field with the city seal surrounded by a white outline in the center. | |
 | Flag ofPhitsanulok | A light-purple field with the city seal in the center. | |
 | Flag ofRangsit | Flag divided horizontally into two stripes, the top being red, the bottom being blue. In the center of the flag is the cityseal. | |
 | Flag ofRayong | A green field with the city seal in the center. | |
 | Flag ofSakhon Nakhon | A reddish-brown field with the city seal in the center. | |
 | Flag ofTrang | A light-blue field with the city seal in the center. | |
 | Flag ofUdon Thani | An orange field with the city seal a bit over the center, below there is a text that says "เทศบาลนครอุดรธานี" which means"Udon Thani City Municipality". |
| Flag | Date | Use | Description |
|---|---|---|---|
.svg) | c. 1680–1782 | Ensign ofSiam | A red plain rectangular flag. |
.svg) | 1782–1817 | State ensign of Siam | Red flag with a whitechakra. |
.svg) | 1817–1832 | State ensign of Siam | Red flag with awhite elephant inside the chakra. |
.svg) | 1832–1916 | Flag of Siam | Awhite elephant facing to the hoist in the red flag. Called inThai language "Thong Chang Phueak" (ธงช้างเผือก)[2] (the white elephant flag). Commonly attributed to Rama IV's reign but was first implemented during the reign of Rama III.[3] |
.svg) | 1916–1917 | State flag and ensign of Siam | Red flag with a white elephant in regalia. |
.svg) | 1917 | Former flag of Siam | Five horizontal stripes flag like the Trairanga with the only major difference being that the middle stripe is red. It is currently used by several anti-monarchists due to its omission of the colour blue which symbolizes the monarchy. |
| Flag | Date | Use | Description |
|---|---|---|---|
.svg) | 1881–1897 | Naval Ensign of Siam | Red flag with a white elephant in regalia, with a white Chakra at the top corner. |
| 1898–1912 | Naval Ensign of Siam | Red flag with a white elephant in regalia. |
.svg) | 1912–1917 | Naval Ensign of Siam | Red flag with a white elephant in regalia, with the emblem of the Royal Thai Navy at the top corner. |
.svg) | 1855–1881 | Naval Jack of Siam | Blue flag with a white elephant. |
.svg) | 1881–1917 | Naval Jack of Siam | Blue flag with a white elephant in regalia. |
| Flag | Date | Use | Description |
|---|---|---|---|
.svg) | 1917–1918 | Standard of theSiamese Expeditionary Force, Obverse | Triranga defaced with a red disc containing dressed white elephant, facing a flagpole. Briefly, its appearance is the same as naval ensign, but both red banners of the flag contains a stanza from a Buddhist chant in Pali (the Jayamangala Gatha), written in Thai script: "พาหุํสหัส์สมภินิม์มิตสาวุธัน์ตํ ค๎รีเมขลํอุทิตโฆรสเสนมารํ ทานาทิธัม์มวิธินาชิตวามุนิน์โท ตัน์เตชสาภวตุเมชยสิทธินิจ์จํ". |
.svg) | Standard of theSiamese Expeditionary Force, Reverse | Triranga defaced with a red disc containing KingVajiravudh's personal emblem. The emblem features Thai acronym "ร.ร." and Thai digit six ("๖"), both are displayed under the glowing crown. Both red banners of the flag contains the same chant in Thai script as the obverse. |
| Flag | Date | Use | Description |
|---|---|---|---|
.svg) | 1873–1912 | Ambassadorial Standard of Siam | State flag with the crowned arms of Siam at its canton. |
.svg) | Consular Flag of Siam | State flag with the escutcheon of Siam at its canton. | |
.svg) | 1912–1917 | Ambassadorial Standard of Siam | State flag with blue circle at its canton. The circle containsGaruda holding crown. |
.svg) | Consular Flag of Siam | State flag with blue circle at its canton. The circle containsGaruda with outstretched wings. | |
.svg) | 1917–1927 | Ambassadorial Standard and Consular Flag of Siam | Triranga surmounted with white elephant, facing a pole. |
| Flag | Date | Use | Description |
|---|---|---|---|
.svg) | 1936–1939 | Flag of the Prime Minister | |
.svg) | 1939–1943 | Flag of the Prime Minister | |
.svg) | 1943–1979 | Flag of the Prime Minister |
| Flag | Date | Use | Description |
|---|---|---|---|
.svg) | 1938–1941 | Flag of the Minister of Economy | |
.svg) | 1938–1979 | Flag of the Minister of Education | |
.svg) | 1938–1979 | Flag of the Minister of Finance | |
.svg) | 1938–1979 | Flag of the Minister of Foreign Affair | |
.svg) | 1938–1979 | Flag of the Minister of Interior | |
.svg) | 1938–1979 | Flag of the Minister of Justice |
| Flag | Date | Use | Description |
|---|---|---|---|
.svg) | 1942 — 1980s | Chiang Mai Province | |
.svg) | 1987 | ||
 | 1942 —c. 1950s | Krabi Province | Yellow flag, with a red square at the upper left corner containing two crossed white swords. Below the swords, there is a text banner that reads "จังหวัดกระบี่" (Krabi Province). |
.svg) | c. 1950s —c. 1980s | A plain yellow rectangular flag with the provincial emblem of Krabi in the center. | |
.svg) | 1942 —c. 1997 | Chanthaburi Province | A red flag with the provincial emblem in a blue square at the hoist side. The emblem features a rabbit in the moon emitting light. |
.png) | Unknown — 2008 | Chachoengsao Province | A rectangular crimson flag with the old provincial emblem in the center, depicting the ubosot ofWat Sothonwararam surrounded by Kanok patterns. |
.svg) | The crimson background represents sacrifice and unity from the struggles and victories ofNaresuan during theAyutthaya Kingdom andKing Taksin the Great over enemies on land and water. The yellow signifies the royal color ofKing Bhumibol Adulyadej the Great. The floating pavilion symbolizes abundance, moisture, coolness, and the revered Luang Pho Phra Phutthasothon who floated down theBang Pakong River. | ||
.png) | 1942–1950s | Chumphon Province | |
.png) | c. 1950s — 1971 | Thonburi Province | Dark blue flag with two yellow stripes. In the center is the provincial emblem featuringWat Arun Ratchawararam Ratchawaramahawihan. |
.svg) | 1942 —c. 1950s | Khon Kaen Province | |
.svg) | 1942 —c. 1977 | Lampang Province | |
| c. 1970s | |||
.svg) | 1942 —c. 1950s | Lamphun Province | Sky blue rectangular flag with a white border. In the center is Phra That Hariphunchai, with the text "จังหวัดลำพูน" (Lamphun Province) below. |
.svg) | 1960s | Pink rectangular flag with a white border. In the center is Phra That Hariphunchai, with the text "จังหวัดลำพูน" (Lamphun Province) below. | |
.svg) | Unknown | Loei Province | |
.svg) | 1942 —c. 1980s | Mae Hong Son Province | |
.svg) | 1950s | Nakhon Nayok Province | Rectangular flag divided into three horizontal stripes of light green, dark green, and light green. In the center is the provincial emblem depicting an elephant raising a rice stalk, with haystacks in the background. |
.svg) | 1942 —c. 1950s | Nakhon Phanom Province | Flag with two horizontal stripes of red and pink. The hoist side has a vertical brown stripe, featuring Phra That Phanom. |
| 1950s — 1970s | Flag with two horizontal stripes of orange and brown. In the center is the provincial emblem depicting Phra That Phanom diagonally. | ||
.svg) | 1942 —c. 1950s | Nakhon Pathom Province | Blue flag with Phra Pathom Chedi in the center, accompanied by the provincial name. |
.svg) | 1942 —c. 1950s | Nakhon Ratchasima Province | |
.svg) | 1942 —c. 1950s | Nakhon Sawan Province | Blue rectangular flag with an image of a three-tiered pavilion in the center, accompanied by the provincial name. |
.svg) | c. 1950s —c. 1990s | Rectangular flag divided into three horizontal stripes of blue, light blue, and blue. In the center is an image of a three-tiered pavilion with the text "จังหวัดนครสวรรค์" (Nakhon Sawan Province). | |
.png) | c. 1990s —c. 2000 | Light blue rectangular flag with an image of a three-tiered pavilion in the center, with the text "จังหวัดนครสวรรค์" (Nakhon Sawan Province) in green. | |
.svg) | 1957 — Unknown | Nan Province | |
.svg) | 1942 — 1969 | Narathiwat Province | The hoist side is a yellow square containing the provincial emblem depicting a curved kriss blade and a Naga stretched on the ground. The rest of the flag consists of 7 horizontal stripes, 4 red and 3 white. |
 | 1969 — 1977 | ||
.svg) | 1942 —c. 1980s | Nong Khai Province | |
.svg) | 1942 —c. 1950s | Nonthaburi Province | Dark blue - blue flag divided vertically in half, with a decorative clay pot in the center accompanied by the provincial name. |
| c. 1950s — 1966 | Dark blue - blue flag divided vertically in half, with the provincial emblem depicting a decorative clay pot in the center. | |
.svg) | 1966 —c. 1980s | Purple - blue flag divided vertically in half, with the provincial emblem depicting a decorative clay pot in the center. | |
.svg) | 1942 —c. 1960s | Pattani Province | Yellow rectangular flag with small green stripes along the top and bottom edges. In the center is Phraya Tani Cannon, accompanied by the provincial name. |
.svg) | c. 1960s — Before 1985 | Green flag with yellow borders on three sides, excluding the hoist side. In the center is Phraya Tani Cannon, accompanied by the provincial name. | |
.svg) | 1942 — 2004 | Phang Nga Province | Blue-yellow-pink flag divided vertically, with the old provincial emblem in the center, featuring only a mining dredge andKhao Chang. |
| Unknown | Phatthalung Province | ||
.svg) | 1942 —c. 1950s | Phrae Province | Vertical bi-color flag of purplish-pink and blue. In the center is Phra That Cho Hae on horseback, accompanied by the provincial name. |
.svg) | c. 1950s — 2023 | Rectangular flag divided vertically in half. The hoist side is green, and the fly side is red. In the center is a blue circle, with the upper half depicting Wat Phra That Cho Hae Royal Temple and the lower half having the text "จังหวัดแพร่" (Phrae Province) in a curved semicircle. | |
.png) | c. 1950s — 1971 | Phra Nakhon Province | Dark blue flag with two red stripes. In the center is the provincial emblem featuringChakri Maha Prasat Throne Hall. |
| 1942 —c. 1950s | Phuket Province | ||
 | c. 1950s — 1985 | Blue flag with the old provincial emblem in the center, depictingThao Thep Krasattri and Thao Si Sunthon with Thalang Island in the background. | |
.svg) | Unknown — 2004 | Roi Et Province | Yellow flag with the provincial emblem of Roi Et in the center, depicting an island in Bueng Phlan Chai. In the center of the island is a pavilion housing a Constitution Pedestal. The lower part of the emblem has Kanok patterns. |
| 1942 — 1950s | Prachuap Khiri Khan Province | |
.svg) | 1942 —c. 1960s | Ranong Province | |
.svg) | 1942 — 1966 | Ratchaburi Province | Flag with three horizontal stripes of white-blue-white. In the center is the provincial emblem depicting Khao Ngu (Snake Mountain). |
.svg) | 1942 — 1980s | Rayong Province | |
.svg) | 1950s —c. 1985 | Sisaket Province | |
.svg) | 1957 — Unknown | Samut Prakan Province | |
| Unknown | Saraburi Province | ||
 | Unknown — 2021 | ||
.png) | Unknown — 2004 | Sing Buri Province | Red flag with the old provincial emblem of Sing Buri in the center, depicting a stockade wall and battlements, referring to the Bang Rachan Camp. |
.svg) | 1942 —c. 1969 | Sisaket Province | |
.svg) | 1942 —c. 1950s | Songkhla Province | |
| c. 1950s — Before 1987 | ||
| Unknown | Suphan Buri Province | ||
.svg) | 1957 — Unknown | Surat Thani Province | |
| 1950s — Unknown | Tak Province | ||
.svg) | c. 1950s —c. 1970s | Trang Province | A plain blue rectangular flag with the provincial emblem in the center, depicting a lighthouse, national flag, port, and waves in the sea. |
.svg) | c. 1960s —c. 1980s | Ubon Ratchathani Province | Rectangular flag with orange-pink-orange stripes. In the center of the pink stripe is the provincial emblem of Ubon Ratchathani, depicting both a closed and blooming lotus flower on a stem with leaves. Below, there is a Garuda and a ribbon containing the text "จังหวัดอุบลราชธานี" (Ubon Ratchathani Province). All of this is enclosed in a circular frame. |
| 1942 — 1960s | Udon Thani Province | Flag with two horizontal stripes of brown and orange. In the center is the image of Thao Wessuwan, accompanied by the provincial name. | |
.svg) | 1942 —c. 1950s | Ang Thong Province | Flag with two horizontal stripes of blue and yellow. In the center is an image of a golden bowl (Ang Thong) and rice stalks. |
.svg) | c. 1950s — 1990s | Flag with two horizontal stripes of blue and yellow. In the center is the provincial emblem depicting a golden bowl (Ang Thong) and rice stalks. | |
.svg) | 2000s — 2010s | Flag with two horizontal stripes of green and yellow. In the center is the provincial emblem depicting a golden bowl (Ang Thong) and rice stalks. | |
.png) | 1942 —c. 1980s | Uthai Thani Province | Red-blue flag with a white stripe. In the center is the provincial emblem depicting Khao Pathawi emitting sunlight. |
.svg) | 1942 —c. 1950s | Uttaradit Province | Orange rectangular flag with a purple cross shifted towards the hoist side. In the center of the cross is an image of Phra Thaen Sila At, accompanied by the provincial name. |
