| No. | Champion | Championship change | Reign statistics | Notes | Ref. |
|---|
| Date | Event | Location | Reign | Days | Defenses |
|---|
| Osaka Pro Wrestling (OPW) |
| 1 | Kanjyuro Matsuyama | April 29, 2008 | Osaka Pro 9th Anniversary Show | Osaka, Japan | 1 | 333 | 7 | Matsuyama declared himself the inaugural champion after having defeated Miracle Man for theOsaka Meibutsu Sekaiichi Championship which he retired immediately afterwards. | [2] |
|---|
| 2 | Kikutaro | March 28, 2009 | Saturday Night Story | Osaka, Japan | 1 | 397 | 3 | | [2][3] |
|---|
| 3 | Kuishinbo Kamen | April 29, 2010 | Osaka Pro 11th Anniversary Show | Osaka, Japan | 1 | 59 | 1 | This match was also for the vacantOsaka Meibutsu Sekaiichi Championship. | [2][4] |
|---|
| 4 | Kyusei Ninja Ranmaru | June 27, 2010 | Osaka Tag Festival 2010 | Osaka, Japan | 1 | 22 | 1 | This match was also forKuishinbo Kamen'sOsaka Meibutsu Sekaiichi Championship. | [2][5] |
|---|
| 5 | Kuishinbo Kamen | July 19, 2010 | Summer Achoo Series | Osaka, Japan | 2 | 40 | 1 | This match was also for Kyusei Ninja Ranmaru'sOsaka Meibutsu Sekaiichi Championship. | [2][6] |
|---|
| 6 | Miracle Man | August 28, 2010 | Summer Achoo Series | Osaka, Japan | 1 | 13 | 0 | | [2][7] |
|---|
| — | Vacated | September 10, 2010 | — | — | — | — | — | Miracle Man vacated the title in order to focus on defending theOsaka Pro Wrestling Tag Team Championship. | [2] |
| 7 | Kanjyuro Matsuyama | September 18, 2010 | Violet September Series | Osaka, Japan | 2 | 23 | 0 | DefeatedKuishinbo Kamen, Takaku Fuke and Takoyakida in afour-way match to win the vacant title. | [2][8] |
|---|
| 8 | Takoyakida | October 11, 2010 | Battle Autumn 2010 | Osaka, Japan | 1 | 40 | 1 | This was afive-way match also involvingKuishinbo Kamen, Kyusei Ninja Ranmaru and Miracle Man. | [2][9] |
|---|
| 9 | Otoko Sakari | November 20, 2010 | Fuyu ga Hajimaru yo Series | Osaka, Japan | 1 | 3 | 0 | This was athree-way match also involvingKanjyuro Matsuyama. | [2][10] |
|---|
| 10 | Kanjyuro Matsuyama | November 23, 2010 | Osaka Pro in Nagoya | Nagoya, Japan | 3 | 406 | 5 | Matsuyama won the title by forfeit whenOtoko Sakari failed to appear for the match. | [2][11] |
|---|
| 11 | Ebessan(III) | January 3, 2012 | New Year Osaka Holiday Paradise | Osaka, Japan | 1 | 403 | 3 | | [2][12] |
|---|
| 12 | Orochi | February 9, 2013 | Saturday Night Story | Osaka, Japan | 1 | 15 | 0 | | [2][13] |
|---|
| 13 | Ebessan(III) | February 24, 2013 | Osaka Holiday Paradise | Osaka, Japan | 2 | 147 | 0 | | [2][14] |
|---|
| 14 | Mr. #6 | July 21, 2013 | Osaka Pro-Wrestling Story | Osaka, Japan | 1 | 35 | 0 | | [2][15] |
|---|
| 15 | Tigers Mask | August 25, 2013 | Osaka Tornado | Osaka, Japan | 1 | 69 | 2 | This was athree-way match also involving Nise Grandpa Mask. | [2][16] |
|---|
| 16 | Hof Senyo Zeong | November 2, 2013 | Saturday Night Story | Osaka, Japan | 1 | 14 | 0 | | [2][17] |
|---|
| 17 | Tigers Mask | November 16, 2013 | Saturday Night Story | Osaka, Japan | 2 | 155 | 0 | | [2][18] |
|---|
| — | Vacated | April 20, 2014 | — | — | — | — | — | Title vacated due toTigers Mask leaving Osaka Pro. | [2] |
| 18 | Ebessan(I) | July 12, 2014 | House show | Osaka, Japan | 2 | 657 | 1 | DefeatedKuishinbo Kamen to win the vacant title. Previously held the title under the name Kikutaro. | [2][19] |
|---|
| 19 | Kuishinbo Kamen | April 29, 2016 | Osaka Pro Raising an Army 17th Anniversary Show | Osaka, Japan | 3 | 93 | 0 | | [2][20] |
|---|
| 20 | Shiro Kuma | July 31, 2016 | Osaka Pro ga Yattekita! in Konohana | Osaka, Japan | 1 | N/A[a] | 3 | | [2][21] |
|---|
| — | Vacated | N/A | — | — | — | — | — | Title vacated due to unknown circumstances. The championship was renamed Osaka Owarai Championship on February 16, 2019. | [22] |
| 21 | Kanjyuro Matsuyama | March 31, 2019 | Osaka Pro no Kaika Sengen 2019 | Osaka, Japan | 4 | 31 | 0 | Defeated Miracle Man to win the vacant title. | [2][23] |
|---|
| 22 | Miracle Man | May 1, 2019 | Osaka Pro 20th Anniversary Show | Osaka, Japan | 2 | 298 | 0 | | [2][24] |
|---|
| 23 | Billyken Kid | February 23, 2020 | Hero Battle Show 2020 | Tokyo, Japan | 1 | 1,050 | 0 | This was also for Billyken Kid's Fukumen World Championship. This was an Osaka Style Wrestling event. | [2][25] |
|---|
| † | Joichiro Osaka | January 8, 2023 | Osaka Pro New Year Special 2023 | Osaka, Japan | — | <1 | 0 | Won abattle royal to win the championship. The title change was voided when Billyken Kid confessed he had lost the physical title belt prior to the match. | [2][26] |
| — | Deactivated | January 8, 2023 | Osaka Pro New Year Special 2023 | Osaka, Japan | — | — | — | Zeus decided to retire the title and revive theOsaka Meibutsu Sekaiichi Championship instead. | [2][27] |