Ak (Persian: آک)[a] is a village in, and the capital of, Ak Rural District of Esfarvarin District, Takestan County, Qazvin province, Iran.

[4] At the time of the 2006 National Census, the village's population was 3,484 in 834 households.

[6] The 2016 census measured the population of the village as 3,220 people in 950 households.

It was the most populous village in its rural district.

This Takestan County location article is a stub.