Wacky is another word for eccentric behavior, sometimes in an amusing manner.
Wacky and similar may also refer to:
- Wacky Bennett (1900-1979), the nickname of Canadian politician W. A. C. Bennett
- Mr Wacky (1964-2005), Jamaican dancehall performer also known as Bolge
- WAQY, a Springfield, Massachusetts FM radio station once known as "Wacky 102"
- WAYE, a Birmingham, Alabama AM radio station formerly known as "Wacky 1220" (as WAQY)
