| Ryugo Okamoto 岡本 隆吾 | |
| Fullname: | Ryugo Okamoto |
| Birth Date: | 5 December 1973 |
| Birth Place: | Kanagawa, Japan |
| Position: | Defender |
| Youthyears1: | 1989–1991 |
| Youthclubs1: | Yokohama Minami High School |
| Youthyears2: | 1992–1995 |
| Youthclubs2: | Nihon University |
| Years1: | 1996–2003 |
| Clubs1: | Omiya Ardija |
| Caps1: | 254 |
| Goals1: | 17 |
| Totalcaps: | 254 |
| Totalgoals: | 17 |
is a former Japanese football player. He is the current phyisical coach J2 League club of Omiya Ardija.
Okamoto was born in Kanagawa Prefecture on December 5, 1973. After graduating from Nihon University, he joined Japan Football League club NTT Kanto (later Omiya Ardija) in 1996. He became a regular player as left side back from first season. The club was promoted to J2 League from 1999. From his first season in 1996, he played in all matches until end of 2001 season except for one game for suspension in August 2001. However his opportunity to play decreased in 2003 and retired end of 2003 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 | NTT Kanto | Football League | 30 | 5 | 3 | 1 | colspan="2" | - | 33 | 6 | |
| 1997 | 30 | 8 | 3 | 0 | colspan="2" | - | 33 | 8 | |||
| 1998 | Omiya Ardija | Football League | 30 | 2 | 3 | 0 | colspan="2" | - | 33 | 2 | |
| 1999 | J2 League | 36 | 0 | 3 | 0 | 2 | 0 | 41 | 0 | ||
| 2000 | 40 | 0 | 3 | 0 | 2 | 0 | 45 | 0 | |||
| 2001 | 43 | 0 | 0 | 0 | 2 | 0 | 45 | 0 | |||
| 2002 | 33 | 2 | 1 | 0 | colspan="2" | - | 34 | 2 | |||
| 2003 | 12 | 0 | 2 | 0 | colspan="2" | - | 14 | 0 | |||
| Total | 254 | 17 | 18 | 1 | 6 | 0 | 278 | 18 | |||