| Taiyo Koga 古賀 太陽 | |
| Fullname: | Taiyo Koga |
| Birth Date: | 28 October 1998 |
| Birth Place: | Niigata, Japan |
| Position: | Centre back |
| Currentclub: | Kashiwa Reysol |
| Clubnumber: | 4 |
| Youthyears1: | –2007 |
| Youthclubs1: | Maihama FC Falcons |
| Youthyears2: | 2008–2016 |
| Youthclubs2: | Kashiwa Reysol |
| Years1: | 2017– |
| Caps1: | 189 |
| Goals1: | 3 |
| Years2: | 2018 |
| Clubs2: | → Avispa Fukuoka (loan) |
| Caps2: | 21 |
| Goals2: | 0 |
| Nationalyears1: | 2021 |
| Nationalteam1: | Japan U23 |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2019– |
| Nationalteam2: | Japan |
| Nationalcaps2: | 1 |
| Nationalgoals2: | 0 |
| Club-Update: | 5 November 2022 |
| Nationalteam-Update: | 23:21, 7 July 2021 (UTC) |
is a Japanese football player. He plays for Kashiwa Reysol.
Taiyo Koga joined J1 League club Kashiwa Reysol in 2017.
Updated to end of 2018 season.[1]
| Club performance | League | Cup | League Cup | Continental | Total | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Club | League | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | |
| Japan | League | Emperor's Cup | J. League Cup | AFC | Total | ||||||||
| 2017 | Kashiwa Reysol | J1 League | 9 | 0 | 2 | 1 | 5 | 0 | colspan=2 | - | 16 | 1 | |
| 2018 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | |||
| 2018 | Avispa Fukuoka | J2 League | 21 | 0 | 0 | 0 | colspan=2 | - | colspan=2 | - | 21 | 0 | |
| Total | 30 | 0 | 2 | 1 | 5 | 0 | 2 | 0 | 39 | 1 | |||
| Japan national team | |||
|---|---|---|---|
| Year | Apps | Goals | |
| 2019 | 1 | 0 | |
| Total | 1 | 0 | |