Manikganj is a district in central Bangladesh. It is a part of the Dhaka Division.It has an area of about 1379 sq km, and is bounded by Tangail District on the north, Dhaka District on the east and Faridpur District on the south.It has 1 municipality, 7 upazillas, and 65 union parishads. The upazillas are Manikganj Sadar, Singair, Shivalaya, Saturia, Harirampur, Ghior and Daulatpur.
Manikganj was formerly a subdivision of Dhaka District. It was turned into a district in 1984.
On the April 26, 1989 Manikganj was the site of, what was at the time, the world's worst tornado in terms of loss-of-life. 1,300 people were initially reported as having been killed with 12,000 injured. The towns of Saturia and Manikgank Sadar were leveled and about 80,000 people were made homeless.