Ōsawa
Ōsawa, Osawa or Oosawa is a Japanese surname. Notable people with the surname include:
- Chiaki Ōsawa, Japanese voice actress
- Chiho Osawa, Japanese ice hockey player
- Eiji Osawa, Japanese chemist
- Itsumi Osawa, Japanese actress, writer and singer
- Kenji Osawa, Japanese mixed martial artist
- Kisaburo Osawa, Japanese aikidoka
- Masaaki Ōsawa, Japanese politician and governor of Gunma Prefecture
- Masayo Ōsawa, Japanese diver
- Masayuki Osawa, Japanese swimmer
- Reiko Ōsawa, Japanese diver
- Shigeki Osawa, Japanese mixed martial artist
- Shinichi Osawa, Japanese musician better known as Mondo Grosso
- Takao Osawa, Japanese actor
