The Central District of Bahar County () is in Hamadan province, Iran. Its capital is the city of Bahar.
At the time of the 2006 National Census, the district's population was 49,138 in 12,227 households. The following census in 2011 counted 50,388 people in 14,294 households. The 2016 census measured the population of the district as 51,837 inhabitants in 16,054 households.