Tatar is a town in Sivaslı District, in Uşak Province, Türkiye. Tatar lies 3.8 km from the Anatolian plateau mountains. It has 1,876 inhabitants (2022). The nearest city is Çivril, 19.6 km to the southeast. Among the landmarks around are Beycesultan (24 km), Pepuza (17.6 km) and Acmonia (24 km).