Mujibnagar is an upazila (subdistrict) of Meherpur District in Bangladesh.

The name Mujibnagar commemorates an event in the history of Bangladesh: It is the place where, on 17 April 1971, the first government of the People's Republic of Bangladesh was sworn in, and the place was named Mujibnagar after Bangabandhu Sheikh Mujibur Rahman.

[4] Mujibnagar Upazila is bounded by Meherpur Sadar Upazila in Meherpur District, on the north, Meherpur Sadar Upazila and Damurhuda Upazila, the latter in Chuadanga District, on the east, and Tehatta I CD Block, in Nadia District, West Bengal, India, on the south and the west.

[4] As of the 2011 Census of Bangladesh, Mujibnagar upazila had 24,602 households and a population of 99,143.

[5][7] Mujibnagar Upazila is divided into four union parishads: Bagoan, Dariapur, Mahajanpur, and Monakhali.