| Seishirō Sakamoto | |
| Position: | Catcher |
| Team: | Hanshin Tigers |
| Number: | 12 |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 10 November 1993 |
| Birth Place: | Yabu, Hyōgo, Japan |
| Debutdate: | July 19 |
| Debutyear: | 2016 |
| Debutteam: | Hanshin Tigers |
| Statyear: | 2023 season |
| Stat1label: | Batting average |
| Stat1value: | .212 |
| Stat2label: | Home runs |
| Stat2value: | 6 |
| Stat3label: | Runs batted in |
| Stat3value: | 60 |
| Teams: |
|
| Awards: |
|
is a professional Japanese baseball player. He plays catcher for the Hanshin Tigers.