Abadi (Persian: آبادی, Arabic: آبادي, Persian: عبادی, Urdu: آبادی, Malay: عبادي) is a surname. Notable people with the surname include:
- Moussa Abadi, member of the French Resistance in southern France during World War II.
- Abby Abadi (b. 1977), Malaysian actress
- Ebrahim Abadi (1934–2019), Iranian stage and cinema actor
- Fritzie Abadi (1915–2001), Syrian American painter
- Haider Al-Abadi (b. 1952), Iraqi politician
- Martín Abadi (b. 1963), Argentinian computer scientist
- Mohammad Abadi (b. 1990), Syrian footballer
- Odette Abadi (1914–1999), French physician, co-founder of Réseau Marcel
- Shakir Shuja Abadi (b. 1954), Pakistani poet
- Yitzchak Abadi (b. 1933), Orthodox Jewish Rabbi and Posek
- Nomi Abadi, American composer