Tatlı is a village in Kurtalan District, in Siirt Province, Türkiye. Tatlı lies at 548 m above sea level, 0.4 km from the Zagros mountains. It has 98 inhabitants. The nearest city is Kurtalan, 20 km to the northwest. Among the landmarks around are Ilısu Dam (26 km), Tomb of İsmail Fakirullah (29 km) and Boncuklu Tarla (26 km).