Kola Rudbar () is a village in Zarem Rud Rural District of Hezarjarib District in Neka County, Mazandaran province, Iran.
At the time of the 2006 National Census, the village's population was 229 in 56 households. The following census in 2011 counted 260 people in 72 households. The 2016 census measured the population of the village as 279 people in 88 households.