| Native Name: | 大竜川 一男 |
| Dairyūgawa Kazuo | |
| Birth Name: | Kazuo Wada |
| Birth Date: | 1946 1, df=yes |
| Birth Place: | Kakogawa, Hyōgo, Japan |
| Weight: | 113kg (249lb) |
| Heya: | Mihogaseki |
| Record: | 684-684-0 |
| Debut: | January, 1961 |
| Highestrank: | Maegashira 1 (November, 1969) |
| Retireddate: | May, 1979 |
| Eldername: | Kiyomigata |
| Prizes: | Fighting Spirit (2) |
| Update: | June 2020 |
Dairyūgawa Kazuo (born 21 January 1946 as Kazuo Wada) is a former sumo wrestler from Kakogawa, Hyōgo, Japan. He made his professional debut in September January 1961, and reached the top division in September 1968. His highest rank was maegashira 1. Upon retirement from active competition, he became an elder in the Japan Sumo Association, under the name Kiyomigata. He reached the Sumo Association's mandatory retirement age in January 2011.[1]