- Abaza:цӏа(cʼa)
- Abkhaz:аҵа(acʼa)
- Acehnese:gutee
- Afrikaans:luis
- Ainu:キ(ki),ウㇽキ(urki)
- Aklanon:kuto
- Albanian:morr (sq)
- Andi:ноцӏцӏи(noccʼi)
- Apinayé:gô
- Arabic:قَمْلَة f(qamla),(collective)قَمْل m(qaml)
- Egyptian Arabic:قمل m(ʔaml)(collective),قملة f(ʔamla)(singulative)
- Gulf Arabic:قمل m(gamiḷ)(collective),قملة f(gamḷa)(singulative)
- Hijazi Arabic:قمل m(gamil)(collective),قملة f(gamla)(singulative)
- Juba Arabic:gomul
- Moroccan Arabic:قمل m(qmal)(collective),قملة f(qamla)(singulative)
- Aramaic :
- Classical Syriac:ܩܠܡܐ m(qalmā)
- Assyrian Neo-Aramaic:ܩܠܡܐ m(qalmā)
- Archi:нацӏ(nacʼ)
- Armenian:ոջիլ (hy)(oǰil)
- Aromanian:piduclju
- Assamese:ওকণি(ükoni)
- Asturian:pioyu (ast) m
- Avar:нацӏ(nacʼ)
- Aymara:lapʼa
- Azerbaijani:bit (az)
- Bashkir:бет(bet)
- Basque:zorri
- Bats:მაწ(mac̣)
- Belarusian:вош f(voš)
- Bengali:উকুন (bn)(ukun)
- Bezhta:нацо(naco)
- Biatah Bidayuh:gutis
- Bikol Central:kuto (bcl)
- Bislama:nakutu
- Brahui:بوڈ(boḍ)
- Breton:laou (br)(collective)
- Brunei Malay:kutu
- Buginese:utu
- Bulgarian:въ́шка (bg) f(vǎ́ška)
- Burmese:သန်း (my)(san:)
- Burushaski:کھرو
- Caac:ciic
- Canela:incô
- Cappadocian Greek:φčείρ(fčeír)
- Carolinian:ghúúw
- Carpathian Rusyn:уша f(uša)
- Catalan:poll (ca) m
- Cebuano:tuma
- Central Melanau:kutou
- Chamicuro:nijpa
- Chechen:меза(meza)
- Chepang:क्रास्(body louse),स्रय्क्,सेक्(head louse)
- Chichewa:nsabwe
- Chinese:
- Cantonese:蝨乸 /虱乸(sat1 naa2)
- Dungan:сыйзы(sɨyzɨ)
- Mandarin:蝨子 /虱子 (zh)(shīzi)
- Chuvash:пыйтӑ(pyjt̬ă)
- Czech:veš (cs) f
- Cèmuhî:i
- Dalmatian:pedoclo m
- Danish:lus (da) c
- Dutch:luis (nl) f
- Dyirbal:(Guwal)(pleaseverify)bayi marbu,(Jalnguy)(pleaseverify)bayi dimaniny
- Eastern Arrernte:arreme
- Eastern Kayah:sò
- Egyptian: (ktt m)
- ?ⲕⲁⲕⲑⲓ(kakthi)ⲕⲁⲕⲧⲓ(kakti)ⲭⲁⲕⲑⲓ(khakthi)(Bohairic)
- ?ⲕⲁⲕⲧⲉ(kakte)ⲕⲁⲧⲕⲉ(katke)(Sahidic)
- Erzya:сий(sij)
- Esperanto:pediko (eo)
- Estonian:täi (et)
- Even:кумкэ(kumkə)
- Fala:piollu
- Fanagalo:ntwala
- Faroese:lús (fo) f
- Fijian:kutu (fj)
- Finnish:täi (fi)(common language),jäytiäinen (fi)(zoology)
- French:pou (fr) m
- Friulian:pedoli
- Fwâi:ciik
- Galician:piollo (gl) m
- Georgian:მკბენარი(mḳbenari),ტილი(ṭili)
- German:Laus (de) f
- Gorontalo:utu (gor)
- Greek:ψείρα (el) f(pseíra)
- Ancient:φθείρ m(phtheír)
- Guaraní:ky (gn)
- Guerrero Amuzgo:kítzkò
- Haitian Creole:pou
- Hawaiian:ʻuku
- Hebrew:כִּנָּה (he) f(kiná)
- Higaonon:tuma
- Hindi:जूँ (hi) f(jū̃)
- Hungarian:tetű (hu)
- Hunzib:на̇цǝ(nåcǝ)
- Icelandic:lús (is) f
- Ido:lauso (io)
- Ilocano:kuto
- Imonda:ku
- Indonesian:kutu (id)
- Ingrian:täi,popo(childish)
- Ingush:меза(meza)
- Iranun:kutu
- Irish:míol cnis m
- Italian:pidocchio (it) m
- Japanese:虱 (ja)(しらみ, shirami),シラミ (ja)(shirami),寄生虫 (ja)(きせいちゅう, kiseichū)
- Javanese:ꦠꦸꦩ (jv)(tuma)
- Jawe:ciik
- Jebero:čimɨŋ
- Kabuverdianu:piodju
- Kaingang:ga
- Kannada:ಹೇನು (kn)(hēnu)
- Kashubian:wesz
- Kayapó:ngôre
- Kazakh:бит(bit)
- Khinalug:нимцӏ(nimc̣)
- Khmer:ចៃ (km)(cay),ដង្កែ (km)(dɑngkae),ឩកា (km)(ʼuukaa)
- Khorasani Turkish:بیت
- Khumi Chin:ähi
- Khvarshi:нуца(nuca)
- Korean:이 (ko)(i)
- Kumak:chixic
- Kurdish:
- Central Kurdish:ئەسپێ(espê)
- Laki:ئِسپِژ(ispij),شِش (ku)(şiş)
- Northern Kurdish:spih (ku)
- Southern Kurdish:سپیە(sipye)
- Kyrgyz:бит (ky)(bit)
- Lak:нацӏ(nacʼ)
- Lakota:hitka la
- Lao:ເຫົາ(hao),ເມັນ(men),ໄຮ(hai)
- Latin:pēdis (la) m
- Latvian:uts (lv) f
- Laz:მტი(mťi)
- Lezgi:нет(net)
- Lingala:sili,nsili,monsili
- Linngithigh:ibhi
- Lithuanian:utėlė f
- Livonian:tei
- Low German:
- German Low German:Luus f
- Lü:ᦠᧁ(ḣaw)
- Lutshootseed:bəšč'ád
- Macedonian:вошка f(voška)
- Madurese:koto
- Maguindanao:kutu
- Makasar:kutu
- Malay:kutu (ms)
- Malayalam:പേൻ (ml)(pēṉ)
- Maltese:qamla f
- Manchu:ᠴᡳᡥᡝ(cihe)
- Mansaka:koto,toma
- Mansi:
- Northern Mansi:та̄кум(tākum)
- Maore Comorian:ndra
- Maori:kutu
- Maranao:tom
- Marathi:ऊ f(ū)
- Maxakalí:kut
- Megleno-Romanian:piducľu
- Mingrelian:ტი(ṭi)
- Mizo:hrik
- Moksha:си(si)
- Mongolian:бөөс (mn)(böös),ᠪᠥᠭᠡᠰᠤ(bögesu)
- Nanai:чиктэ(čikte)
- Navajo:yaaʼ
- Neapolitan:perucchio m
- Nemi:ciik
- Ngazidja Comorian:nɗa
- Northern Ohlone:ká̄i
- Northern Thai:ᩉᩮᩢᩣ
- Norwegian:
- Bokmål:lus (no) m orf
- Nynorsk:lus f
- Occitan:pesolh (oc) m,mirgalhon m,piu (oc) m,peu (oc) m
- Odia:ଉକୁଣି(ukuṇi)
- Ojibwe:ikwa,ikwag pl
- Old Church Slavonic:
- Cyrillic:въшь f(vŭšĭ)
- Glagolitic:ⰲⱏⱎⱐ f(vŭšĭ)
- Old East Slavic:въшь f(vŭšĭ)
- Old English:lūs f
- Old Norse:lús f
- Ossetian:сыст(syst)
- Paicî:i
- Panará:kjãnkô
- Papiamentu:pieu
- Pará Gavião:nkô
- Pashto:سپږه (ps) f(spᶕźa)
- Persian:شِپِش (fa)(šepeš)
- Piedmontese:poj m
- Pije:ciik
- Plautdietsch:Lus (nds) f
- Polish:wesz (pl) f
- Pontic Greek:φθείρι(ftheíri)
- Portuguese:piolho (pt) m
- Punjabi:ਜੂੰ f(jū̃)
- Pykobjê:aacuu,amcuu,ẽhncuu
- Quechua:usa
- Rohingya:𐴀𐴟𐴙𐴕(uin)
- Romagnol:bdòcc m
- Romani:ʒuv f
- Romanian:păduche (ro) m
- Russian:вошь (ru) f(vošʹ),вши (ru) f pl(vši),во́шка (ru) f(vóška)
- Sango:sili (sg)
- Sanskrit:यूका (sa) f(yūkā)
- Sardinian:peogu,piogu,piduciu,piducru
- Scottish Gaelic:mial f
- Serbo-Croatian:
- Cyrillic:ваш f,уш f
- Roman:vaš (sh) f,uš (sh) f,vaška (sh) f
- Sherpa:ཤིག(shig)
- Shor:пит
- Sicilian:pidocchiu m
- Slovak:voš (sk) f
- Slovene:uš (sl) f
- Somali:injir (so)
- Sorbian:
- Lower Sorbian:weš f
- Upper Sorbian:woš (hsb) f
- Spanish:piojo (es) m
- Sranan Tongo:loso
- Sundanese:otét
- Svan:ტიშ(ṭiš)
- Swahili:chawa (sw) class9/10sgpl
- Swedish:lus (sv) c
- Sylheti:ꠃꠇꠂꠘ(ukoino)
- Tabasaran:ницц(nic̄)
- Tagalog:kuto
- Tajik:шабушк (tg)(šabušk)
- Talysh:اسبج(əsbəj)
- Tamil:பேன் (ta)(pēṉ)
- Tanapag:gúú
- Taos:phìayána
- Tapayuna:ngô
- Tarifit:tiššit f
- Tat:uşbuj
- Tatar:бет (tt)(bet)
- Tausug:kutu
- Tedim Chin:hik
- Telugu:పేను (te)(pēnu)
- Ternate:gani
- Tetum:utu
- Thai:เหา (th)(hǎo),โลน (th)(loon)
- Tibetan:ཤིག(shig)
- Tok Pisin:laus
- Tsakonian:ψεῖρα(pseῖra)
- Turkish:bit (tr)
- Turkmen:bit (tk)
- Udi:нецӏ(nec̣)
- Udmurt:тэй(tej)
- Ukrainian:во́ша f(vóša)
- Unami:xaihu
- Urdu:جوں f(jū̃)
- Uyghur:پىت(pit)
- Uzbek:bit (uz)
- Vietnamese:rận (vi)(body louse),chí (vi),chấy (vi)(head louse)
- Vilamovian:łaojs f
- Volapük:puf (vo)
- Warlpiri:yaka
- Welsh:lleuen (cy) f,llau (cy) f pl
- Woiwurrung:moon-ong
- Xavante:u
- Xerénte:gó
- Xhosa:intwala class9/10
- Yakut:быт(bït)
- Yámana:wam
- Yiddish:לויז f(loyz)
- Yuanga:ciii
- Zande:zari
- Zazaki:ıspıc c,espij c
- Zealandic:luus m
- Zhuang:naenz
- Zulu:intwala class9/10
- ǃXóõ:(large)ʘnó̰õ,(small)gǁkxʼóni
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