Irmak is a village in Hasankeyf District, in Batman Province, Türkiye. Irmak lies at 478 m above sea level, in the Zagros mountains, by the Ilısu Reservoir. It has 354 inhabitants. The nearest city is Kurtalan, 28 km to the northeast. Among the landmarks around are Zeynel Bey Tomb (9.3 km), Ilısu Dam (35 km) and Old Bridge (10.2 km).
Also written Irmakköy.