Koluseh (Persian: كلوسه)[a] is a village in Poshtkuh-e Mugui Rural District of Mugui District, Fereydunshahr County, Isfahan province, Iran.

At the time of the 2006 National Census, the village's population was 784 in 134 households, when it was in the Central District.

[5] The 2016 census measured the population of the village as 691 people in 156 households.

It was the most populous village in its rural district.

This Fereydunshahr County location article is a stub.