Wataru Kenmotsu
- Birthday: 1945-08-19
- Deathday: 2003-07-18
- Place of birth: Kanagawa, Japan
- Also know as: Wataru Kenmochi
Wataru Kenmotsu (剣持 亘, Kenmotsu Wataru, August 19, 1945 - July 15, 2003) was a Japanese screenwriter. He often teamed up with director Nobuhiko Obayashi.
