| Ryo Oishi 大石 玲 | |
| Fullname: | Ryo Oishi |
| Birth Date: | 13 July 1977 |
| Birth Place: | Shizuoka, Shizuoka, Japan |
| Position: | Defender |
| Youthyears1: | 1993–1995 |
| Youthclubs1: | Shimizu Commercial High School |
| Years1: | 1996–1998 |
| Clubs1: | Shimizu S-Pulse |
| Caps1: | 2 |
| Goals1: | 0 |
| Years2: | 1999 |
| Clubs2: | Mito HollyHock |
| Caps2: | 7 |
| Goals2: | 0 |
| Years3: | 2000–2003 |
| Clubs3: | Sun Miyazaki |
| Years4: | 2004–2005 |
| Clubs4: | FC Ryukyu |
is a former Japanese football player.
Oishi was born in Shizuoka on July 13, 1977. After graduating from Shimizu Commercial High School, he joined J1 League club Shimizu S-Pulse with teammate Tadaaki Matsubara in 1996. However he could hardly play in the match. In 1999, he moved to Japan Football League club Mito HollyHock. In 2000, he moved to Profesor Miyazaki (later Sun Miyazaki). In 2004, he moved to FC Ryukyu. He retired end of 2005 season.
| Club performance | League | Cup | League Cup | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Club | League | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | |
| Japan | League | Emperor's Cup | J.League Cup | Total | |||||||
| 1996 | Shimizu S-Pulse | J1 League | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1997 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |||
| 1998 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| 1999 | Mito HollyHock | Football League | 7 | 0 | 0 | 0 | colspan="2" | - | 7 | 0 | |
| Total | 9 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | |||