Koyunlu is a village in Gercüş District, in Batman Province, Türkiye. Koyunlu lies at 925 m above sea level, 3.1 km from the Zagros mountains. It has 83 inhabitants. The nearest city is Batman, 24 km to the north. Among the landmarks around are Hirbemerdon Tepe (14.7 km), Körtik Tepe (19.3 km) and Müslümantepe Höyüğü (21 km).