Salafchegan (Persian: سلفچگان)[a] is a city in, and the capital of, Salafchegan District of Qom County, Qom province, Iran.

[4] It also serves as the administrative center for Rahjerd-e Sharqi Rural District.

[5] At the time of the 2006 National Census, Salafchegan's population was 707 in 211 households, when it was a village in Rahjerd-e Sharqi Rural District.

[6] The following census in 2011 counted 730 people in 232 households,[7] by which time the village had been elevated to the status of a city.

[8] The 2016 census measured the population of the city as 1,390 people in 449 households.