Šušteršič is a Slovenian surname. Notable people with the surname include:

Ivan Šusteršič (1863–1925), Slovenian lawyer and politician Izidor Šušteršič (born 1977), Slovenian snowboarder Matic Šušteršič (1980–2005), Slovenian sprinter

See also Ed Sustersic (1922–1967), American football player