| Shintaro Ishihara | |
| Fullname: | Shintaro Ishihara |
| Birth Date: | 1990 6, df=yes |
| Birth Place: | Mitaka, Tokyo, Japan |
| Height: | 1.8m (05.9feet) |
| Weight: | 105kg (231lb) |
| Currentclub: | Suntory Sungoliath |
| Years1: | 2013–present |
| Clubs1: | Suntory Sungoliath |
| Apps1: | 71 |
| Points1: | 20 |
| Years2: | 2018 |
| Apps2: | 8 |
| Points2: | 0 |
| Repyears1: | 2010 |
| Repteam1: | Japan U20 |
| Repcaps1: | 4 |
| Reppoints1: | 50 |
| Repyears2: | 2017–2018 |
| Repcaps2: | 11 |
| Reppoints2: | 5 |
| Clubupdate: | 22 January 2018 |
| Repupdate: | 23 August 2018 |
is a Japanese international rugby union player who plays as a Prop.[1] He currently plays for in Super Rugby and Suntory Sungoliath in Japan's domestic Top League.[2]