Salehabad District () is in Bahar County, Hamadan province, Iran. Its capital is the city of Salehabad.
At the time of the 2006 National Census, the district's population was 27,884 in 6,483 households. The following census in 2011 counted 28,062 people in 7,702 households. The 2016 census measured the population of the district as 25,862 inhabitants in 8,018 households.