Tani District ( Pashto: تڼي ولسوالۍ , Persian: ولسوالی تنی ) is situated in the southern part of Khost Province, Afghanistan. It borders Spera District to the west, Nadir Shah Kot and Mando Zayi to the north, Gurbuz District to the east and Pakistan to the south. The population is 52,800 (2006) people. The district center is the village of Tani, situated in the northeastern part of the district. The language spoken in Tani is Pashto.