| Birth Date: | 6 October 1968 |
| Birth Place: | Saitama Prefecture, Japan |
| Weight: | 233lb |
| School: | Daito Bunka University College |
| University: | Daito Bunka University[1] |
| Ru Position: | Prop |
| Amatyears1: | 19??-1997 |
| Amatteam1: | Daito Bunka University RFC |
| Years1: | 1997-2000 |
| Repyears1: | 1997-2000 |
| Repcaps1: | 10 |
| Reppoints1: | 0 |
(born Saitama Prefecture, 6 October 1968) is a Japanese former rugby union player. He played as a prop.
After graduating from Daito Bunka University, where he played in the All-Japan University Rugby Championship, Oguchi joined the Ricoh club, where he played throughout all of his career. He was first capped for Japan on 7 June 1997, against United States, in San Francisco. Oguchi was also called up in the 1999 Rugby World Cup squad coached by Seiji Hirao, playing two matches in the tournament.[2] His last cap for Japan was against South Korea, in Aomori, on 2 July 2000.