Owchghaz-e Sofla () is a village in Sanjabad-e Sharqi Rural District of the Central District in Khalkhal County, Ardabil province.
At the time of the 2006 National Census, the village's population was 67 in nine households. The following census in 2011 counted 33 people in seven households. The 2016 census measured the population of the village as 19 people in five households.