Baq () is a village in Howmeh Rural District of the Central District in Damghan County, Semnan province, Iran.
At the time of the 2006 National Census, the village's population was 182 in 68 households. The following census in 2011 counted 182 people in 67 households. The 2016 census measured the population of the village as 216 people in 84 households.