Sivech-e Sofla () is a village in Kani Sur Rural District of Namshir District, Baneh County, Kurdistan province, Iran.
The village is populated by Kurds.
At the time of the 2006 National Census, the village's population was 788 in 148 households. The following census in 2011 counted 780 people in 181 households. The 2016 census measured the population of the village as 723 people in 218 households. It was the most populous village in its rural district.