Cox's Bazar-3 is a constituency represented in the Jatiya Sangsad (National Parliament) of Bangladesh.

The constituency encompasses Cox's Bazar Sadar, Ramu and Eidgaon upazilas.

[2][3] The constituency was created in 1984 from the Chittagong-17 constituency when the former Chittagong District was split into two districts: Chittagong and Cox's Bazar.

[7] The BNP candidate died days before the 1 October 2001 general election.

Mohammad Sahiduzzaman, the deceased's younger brother, ran in his place.