| Native Name: | 二子竜 功 |
| Futagoryu Isao | |
| Birth Name: | Isao Omura |
| Birth Date: | 1941 11, df=yes |
| Birth Place: | Aomori, Japan |
| Weight: | 108kg (238lb) |
| Heya: | Hanakago → Futagoyama |
| Record: | 307-278-0 |
| Debut: | September, 1960 |
| Highestrank: | Maegashira 5 (May, 1969) |
| Retireddate: | March, 1971 |
| Yushos: | 1 (Jūryō) |
| Update: | Sep. 2012 |
Futagoryu Isao (born 16 November 1941 as Isao Omura) is a former sumo wrestler from Aomori, Japan. He made his professional debut in September 1960 and reached the top division in January 1969. His highest rank was maegashira 5. He retired in March 1971.