Chittagong-7 is a constituency represented in the Jatiya Sangsad (National Parliament) of Bangladesh.

[2] The constituency was created for the first general elections in newly independent Bangladesh, held in 1973.

Ahead of the 2008 general election, the Election Commission redrew constituency boundaries to reflect population changes revealed by the 2001 Bangladesh census.

[4] Ahead of the 2014 general election, the Election Commission renumbered the seat for Sandwip Upazila from Chittagong-16 to Chittagong-3, bumping up by one the suffix of the former constituency of that name and the higher numbered constituencies in the district.

Prior to that, Chittagong-7 had encompassed all but one union parishad (Sreepur Kharandwip) of Boalkhali Upazila, and Chittagong City Corporation wards 3 through 7.