Ōkawa (surname)
Ōkawa, Okawa, Ookawa or Ohkawa is a Japanese surname. Notable people with the surname include:
- Heizaburo Okawa, Japanese fencer
- Hisayuki Okawa, athlete
- Misao Okawa, Japanese supercentenarian
- Nanase Ohkawa, Japanese manga writer
- Ryuho Okawa, religious and political leader
- Shūmei Ōkawa, Japanese nationalist, Pan-Asian writer, indicted war criminal, and Islamic scholar
- Tōru Ōkawa, Japanese actor
