Qandar Qalu () is a village in Qareh Poshtelu-e Pain Rural District of Qareh Poshtelu District in Zanjan County, Zanjan province, Iran.
At the time of the 2006 National Census, the village's population was 258 in 52 households. The following census in 2011 counted 244 people in 69 households. The 2016 census measured the population of the village as 227 people in 64 households.