Geyiksuyu (Kurdish: Sin) is a village in the Tunceli District, Tunceli Province, Turkey.

[1] The village is populated by Kurds of the Kirgan tribe and had a population of 392 in 2021.

[2][3] The hamlets of Alaca, Karaca and Korgun are attached to the village.

[1] A Gendarmerie Special Operations Battalion Command is located in the village.

[4]