The Central District of Bijar County () is in Kurdistan province, Iran. Its capital is the city of Bijar.
After the 2011 National Census, the village of Tup Aghaj was elevated to the status of a city.
At the time of the 2006 census, the district's population was 66,833 in 17,084 households. The following census in 2011 counted 66,962 people in 18,975 households. The 2016 census measured the population of the district as 65,888 inhabitants in 20,711 households.