 |
 |
 |
|
|
|
This gallery features only the leaders of the ("the") Nihon Sumo Kyokai, that was merged from the Tokyo and Osaka Sumo organizations at the beginning of the Showa-era (1926).
 |
 |
 |
||
| Hirose Masanori | Fujishima Hidemitsu (until 1949/01) Dewanoumi Hidemitsu (from 1949/01) |
Tokitsukaze Sadaji | ||
| (Army Lieutenant General) | (31st Yokozuna Tsunenohana) | (35th Yokozuna Futabayama) | ||
| 1928/01-1938/09 | 1944/03-1957/05 | 1957/05-1968/12 | ||
| passed away September 1938 while active |
passed away 1960 Nov 28 (rijicho term ended when he attempted harakiri suicide) |
passed away 1968 Dec 16 while active |
||
 |
 |
 |
||
| Musashigawa Yoshihide | Kasugano Kiyotaka | Futagoyama Katsuji | ||
| (Maegashira Dewanohana) | (44th Yokozuna Tochinishiki) | (45th Yokozuna Wakanohana) | ||
| 1968/12-1974/01 | 1974/02-1988/01 | 1988/02-1992/01 | ||
| passed away 1987 May 30 | passed away 1990 Jan 10 | |||
 |
 |
 |
||
| Dewanoumi Tomotaka (until 1996/02) Sakaigawa Sho (from 1996/02) |
Tokitsukaze Katsuo | Kitanoumi Toshimitsu | ||
| (50th Yokozuna Sadanoyama) | (Ozeki Yutakayama) | (55th Yokozuna Kitanoumi) | ||
| 1992/02-1998/01 | 1998/02-2002/01 | 2002/02-2008/09 | ||
| (rijicho term ended when deshi was found guilty of drug use) |
||||
 |
 |
 |
||
| Musashigawa Akihide | Murayama Hiroyoshi | Hanaregoma Teruyuki | ||
| (57th Yokozuna Mienoumi) | (external rijikai member) | (Ozeki Kaiketsu) | ||
| 2008/09-2010/08 | 2010/07-2010/08 (acting) | 2010/08-2012/01 | ||
|
 |
|||
| Kitanoumi Toshimitsu | Hakkaku Nobuyoshi | |||
| (55th Yokozuna Kitanoumi) | (61st Yokozuna Hokutoumi) | |||
| 2012/02-2015/11 | 2015/12- | |||
| passed away 2015 Nov 20 while active |
||||