| Ryōsuke Oguma 小熊凌祐 | |
| Position: | Pitcher |
| Birth Date: | 11 August 1990 |
| Birth Place: | Moroyama, Saitama, Saitama Prefecture |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | NPB |
| Debutdate: | May 6 |
| Debutyear: | 2011 |
| Debutteam: | Chunichi Dragons |
| Finaldate: | June 1 |
| Finalyear: | 2019 |
| Finalteam: | Chunichi Dragons |
| Finalleague: | NPB |
| Statyear: | 2020 season |
| Statleague: | NPB |
| Stat1label: | Win–loss record |
| Stat1value: | 12–13 |
| Stat2label: | ERA |
| Stat2value: | 5.03 |
| Stat3label: | Strikeouts |
| Stat3value: | 137 |
| Teams: |
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Ryōsuke Oguma (小熊凌祐, born August 11, 1990, in Moroyama, Saitama, Saitama Prefecture) is a Japanese former professional baseball pitcher who is currently a staff for Chunichi Dragons of the Nippon Professional Baseball. He has played in NPB for the Dragons.
Chunichi Dragons selected Oguma with the sixth selection in the .[1]
On May 6, 2011, Oguma made his NPB debut.
On December 2, 2020, he become a free agent.[2]
On January 8, 2021, Oguma become a staff for Dragons.[3]