Bowalhasan () is a village in, and the capital of, Bowalhasan Rural District of Namshir District, Baneh County, Kurdistan province, Iran.
The village is populated by Kurds.
At the time of the 2006 National Census, the village's population was 1,195 in 195 households. The following census in 2011 counted 1,100 people in 228 households. The 2016 census measured the population of the village as 1,298 people in 347 households. It was the most populous village in its rural district.