Whynot may refer to:
Media edit
- WHYNOT, an affiliate of Radio Free Asia
Place edit
- Whynot, Mississippi, U.S.
- Whynot, North Carolina, U.S.
Jazz edit
- Whynot Records, a Japanese jazz record label
- WhyNot Jazz Room, a jazz club in New York City
People edit
- John Whynot, Canadian musician, producer, and composer