Mitar (Cyrillic: Митар) is a masculine given name. It is a Serbian variant of a Greek name Demetrius. Notable people with the name include:
Mitar Lukić (born 1957), former Bosnian Serb footballer and current manager of FK Sloga DobojMitar Markez (born 1990 in Sombor), Serbian handballerMitar Mirić (born 1957), Serbian and former Yugoslav pop-folk singerMitar Mrdić (born 1984), Bosnian judokaMitar Mrkela (born 1965), retired Serbian football player, member of an Olympic medallist team in 1984Mitar Novaković (born 1981), Montenegrin professional footballerMitar Pejović (born 1983), Serbian football goalkeeperMitar Peković (born 1981), Serbian professional footballerMitar Subotić (1961–1999), known as Rex Ilusivii, Serbian-born musician and composer, producer in BrazilMitar Vasiljević (born 1954), Bosnian Serb war criminal convicted by the International Criminal Tribunal for the Former Yugoslavia