Gopalganj is a district (zila in Bangla) in the Dhaka division (bibhag in Bangla) of Bangladesh. The district has about 1.1 million inhabitants and its surface area is 1,490 km². The main city of the district is also called Gopalganj.
Gopalganj is subdivided into five subdistricts (upazila/thana). Sheikh Mujibur Rahman, the first prime minister and president of independent Bangladesh, was born in Tungipara, a village in this district.