Chureh Nab () is a village in Bonab Rural District of the Central District in Zanjan County, Zanjan province, Iran.
At the time of the 2006 National Census, the village's population was 187 in 39 households. The following census in 2011 counted 210 people in 56 households. The 2016 census measured the population of the village as 223 people in 67 households.