Štitar is a settlement in Šabac, in Mačva District, Serbia. Štitar lies at 77 m above sea level. It has 1,781 inhabitants (2022). The nearest city is Šabac, 9.4 km to the east. Near the border: Bosnia & Herzegovina, 19 km. Among the landmarks around are Sirmium (19.5 km), Stjepan Filipović (19.4 km) and Šabac Fortress (9.2 km).

Also written Штитар.