Patuakhali-3 is a constituency represented in the Jatiya Sangsad (National Parliament) of Bangladesh. The current member of parliament is Nurul Haque Nur.
The constituency encompasses Dashmina and Galachipa upazilas.
The constituency was created for the first general elections in newly independent Bangladesh, held in 1973.
Ahead of the 2014 general election, the Election Commission reduced the boundaries of the constituency. Previously it had included one union parishad of Patuakhali Sadar Upazila: Auliapur.