Hanni may refer to:
People with the given name Hanni:
- Hanni Bjartalíð (born 1968), Faroese painter
- Hanni Ossott (1946-2002), poet
- Hanni Wenzel (born 1956), former alpine skier
People with the surname Hanni:
- Wilf Hanni, Canadian politician and oil industry consultant
Other:
- Hanni (official), Egyptian official mentioned in the Amarna letters involving Endaruta, 1350 BC