| Seiichiro Kubo 久保 征一郎 | |
| Fullname: | Seiichiro Kubo |
| Birth Date: | 22 June 2001 |
| Birth Place: | Kagoshima, Japan |
| Position: | Forward |
| Currentclub: | Mito Hollyhock |
| Clubnumber: | 22 |
| Youthyears1: | –2016 |
| Youthclubs1: | Taiyo SC Kagoshima |
| Youthyears2: | 2017–2019 |
| Youthclubs2: | FC Tokyo |
| Collegeyears1: | 2020–2023 |
| College1: | Hosei University |
| Years1: | 2018–2019 |
| Clubs1: | FC Tokyo U-23 |
| Caps1: | 22 |
| Goals1: | 2 |
| Years2: | 2023– |
| Clubs2: | Mito HollyHock |
| Caps2: | 1 |
| Goals2: | 0 |
| Club-Update: | 12 December 2023 |
is a Japanese football player for Mito HollyHock.
Kubo was born in Kagoshima Prefecture on June 22, 2001. He joined J1 League club FC Tokyo from youth team in 2018.