Babati District is a district of Manyara Region of Tanzania, East Africa. The administrative capital of the district is Babati town, south of Arusha. The district covers an area of , a large proportion (640 km²) of which is covered by the water bodies of Lake Babati, Lake Burunge and Lake Manyara. The district is bordered to the north by Arusha Region, to the south east by Simanjiro District, to the south by Dodoma Region, to the south west by Hanang District, and to the north west by Mbulu District.