Hanni or Hänni may refer to:
People with the surname
edit- Johannes-Andreas Hanni (1957–1982), Estonian serial killer
- Kate Hanni, founder of American consumer advocacy organization FlyersRights.org
- Liia Hänni (born 1946), Estonian astrophysicist and politician
- Sofiane Hanni (born 1990), Algerian professional footballer
- Uku Hänni (born 1943), Estonian astrophysicist and civil servant
- Wilf Hanni, Canadian politician and oil industry consultant
People with the given name
edit- Hanni Bjartalíð (born 1968), Faroese painter
- Hanni Ehlers (born 1954), German translator
- Hanni Ossott (1946–2002), Venezuelan poet
- Hanni Wenzel (born 1956), Liechtensteiner alpine skier
- Hanni (singer) (born 2004), Vietnamese-Australian singer and dancer, member of K-pop group NewJeans