Satkhira-3 is a constituency represented in the Jatiya Sangsad (National Parliament) of Bangladesh.
The constituency encompasses Assasuni and Kaliganj Upazilas.
The constituency was created in 1984 from a Khulna constituency when the former Khulna District was split into three districts: Bagerhat, Khulna, and Satkhira.
Ahead of the 2008 general election, the Election Commission redrew constituency boundaries to reflect population changes revealed by the 2001 Bangladesh census. The 2008 redistricting altered the boundaries of the constituency.
Ahead of the 2026 general election, the Election Commission altered the boundaries of the constituency by removing the debhata upazilla and adding the four northernmost union parishads of Kaliganj Upazila: Bhara Simla, Champaphul, Nalta, and Tarali.
AFM Ruhal Haque was re-elected unopposed in the 2014 general election after opposition parties withdrew their candidacies in a boycott of the election.