The Central District of Kaleybar County () is in East Azerbaijan province, Iran. Its capital is the city of Kaleybar.
At the time of the 2006 National Census, the district's population was 27,676 in 6,450 households. The following census in 2011 counted 26,652 people in 7,261 households. The 2016 census measured the population of the district as 24,297 inhabitants in 7,832 households.