Aloni is a surname. Notable people with the surname include:
Izak Aloni (Schächter) (1905–85), Israeli chess masterMichael Aloni (born 1984), Israeli actorMiri Aloni (born 1949), Israeli folk singerNisim Aloni (1926–1998), Israeli playwright and translatorShulamit Aloni (1928–2014), Israeli politician and left-wing activistUdi Aloni (born 1959), Israeli-American filmmaker, writer and visual artistYoel Aloni (born 1937), Israeli chess master and problemist