Utsumi (written: ) is a Japanese surname. Notable people with the surname include:
- Chieko Utsumi (born 1903), Japanese physical educator
- , Japanese voice actor
- , Japanese politician and cabinet minister
- Takeshi Utsumi, American operations researcher
- , Japanese basketball coach
- , former secretary general of International Telecommunication Union
- , former Capcom sound designer
Fictional characters
- , a character in the anime series SSSS.Gridman
- , a character in the novel Battle Royale