| Oscar Nakaoshi | |
| Debutleague: | NPB |
| Debutdate: | March 25 |
| Debutyear: | 2016 |
| Debutteam: | Hiroshima Toyo Carp |
| Finalleague: | NPB |
| Finaldate: | May 7 |
| Finalyear: | 2017 |
| Finalteam: | Hiroshima Toyo Carp |
| Position: | Pitcher |
| Birth Date: | 28 March 1991 |
| Birth Place: | São Paulo, Brazil |
| Bats: | Left |
| Throws: | Left |
| Statyear: | 2017 season |
| Statleague: | NPB |
| Stat1label: | Win–loss record |
| Stat1value: | 2–0 |
| Stat2label: | Earned run average |
| Stat2value: | 6.29 |
| Stat3label: | Strikeouts |
| Stat3value: | 13 |
| Teams: | |
| Show-Medals: | no |
Oscar Nakaoshi (born March 28, 1991)[1] is a Brazilian professional baseball pitcher. He attended Hakuoh University and represented Brazil at 2013 World Baseball Classic.
Nakaoshi was part of the Brazilian squad that won the silver medal at the 2023 Pan American Games contested in Santiago, Chile in October 2023.[2]