Soleyman Bolaghi () 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 40 in nine households. The following census in 2011 counted 33 people in 11 households. The 2016 census measured the population of the village as 75 people in 32 households.