Kohneh Gurab () is a village in, and the capital of, Amlash-e Shomali Rural District in the Central District of Amlash County, Gilan province, Iran.
At the time of the 2006 National Census, the village's population was 209 in 69 households. The following census in 2011 counted 221 people in 75 households. The 2016 census measured the population of the village as 211 people in 78 households.