Abadi is a surname. Notable people with the surname include:
Abby Abadi (b. 1977), Malaysian actress
Ebrahim Abadi (b. 1934), Iraniran stage and cinema actor
Haider Al-Abadi (b. 1952), Iraqi politician
MartÃn Abadi (b. 1963), Argentinian computer scientist
Mohammad Abadi (b. 1990), Syrian footballer
Shirin Ebadi (b. 1947), Iranian lawyer and Nobel laureate
Yitzchak Abadi (b. 1933) Orthodox Jewish Rabbi and Posek