Koyulhisar District is a district of the Sivas Province of Turkey.

Its seat is the town of Koyulhisar.

[1] Its area is 891 km2,[2] and its population is 12,183 (2022).

[3] There is one municipality in Koyulhisar District:[1] There are 44 villages in Koyulhisar District:[4]

This geographical article about a location in Sivas Province, Turkey is a stub.