Qara Kheyl () is a village in Balatajan Rural District of the Central District in Qaem Shahr County, Mazandaran province, Iran.
At the time of the 2006 National Census, the village's population was 4,186 in 1,083 households. The following census in 2011 counted 4,395 people in 1,328 households. The 2016 census measured the population of the village as 4,471 people in 1,459 households, the most populous in its rural district.