Izsák can refer to:
Izsák, Hungary, a Hungarian town 1546 Izsák, an asteroid named after Imre Izsák Izsák Lőwy (1793–1847), a Hungarian industrialist
Izsak can refer to:
Izsak (crater), a lunar crater named after Imre Izsák Imre Izsak (1929–1965), a Hungarian scientist Carolina Izsak (born 1971), a Venezuelan beauty queen Meir ben Izsak Eisenstadt (1670–1744), a Jewish rabbi
See also Izak (surname), also spelled Izaak, Izhak, Itzchak, Itzik, etc.