Sumika (given name)
Sumika is a feminine Japanese given name. Notable people with the name include:
- Sumika Minamoto, Japanese swimmer
- Sumika Nono, Japanese actress
- Sumika Yamamoto, Japanese manga artist
- Sumika Yanagawa, Japanese professional wrestler
Fictional characters
- Sumika Kagami, a character in the visual novel series Muv-Luv
- Sasameki Koto#Characters, protagonist of the manga series ''Sasameki Koto''