Zirtang-e Chameshk (Persian: زيرتنگ چمشک)[a] is a village in, and the capital of, Miyankuh-e Sharqi Rural District[3] of Afrineh District, Mamulan County, Lorestan province, Iran.

At the time of the 2006 National Census, the village's population was 398 in 84 households, when it was in Mamulan District[b] of Pol-e Dokhtar County.

[5] The following census in 2011 counted 366 people in 83 households.

[6] The 2016 census measured the population of the village as 239 people in 69 households.

This Lorestan province location article is a stub.