Karimganj is a town in the Karimganj District of the Indian state of Assam. It is the administrative headquarters of the district.

Karimganj district is one of the 31 districts of the Indian state of Assam. Karimganj town is both the administrative headquarters district and the biggest town of this district. It is located in southern Assam and borders Tripura and the Sylhet Division of Bangladesh. It makes up the Barak Valley alongside Hailakandi and Cachar. Karimganj was previously part of the Sylhet District before the Partition of India. It became a district in 1983.