Izak is a given name.
Izak may also refer to: Izak catshark, a type of cat shark Izak, a character in the video game Suikoden IV Piotr "Izak" Skowyrski, Polish esports commentator and streamer Vian Izak, American singer/songwriter, producer, and audio engineer
See also Izakaya, a Japanese drinking establishment Izakaya Chōji, a Japanese film Izaskun Aramburu, a Spanish canoer Itzig family, German-Jewish family Itzig, Luxembourg, a town Itz, river in Germany Izaak Walton League, environmental organization Izaak-Walton-Killam Award, awarded to Canadian researchers Izaak Synagogue, in Kraków, Poland Isakhel, a town in Pakistan Isakhel Tehsil, area in Pakistan Izsák (Hungary), a town in Hungary Izsak (crater) on the Moon