Su Kahriz (Persian: سوكهريز)[a] is a village in Khorramdarreh Rural District of the Central District in Khorramdarreh County, Zanjan province, Iran.

At the time of the 2006 National Census, the village's population was 2,206 in 536 households.

[5] The 2016 census measured the population of the village as 2,560 people in 786 households.

It was the most populous village in its rural district.

This Khorramdarreh County location article is a stub.