Narail-1 is a constituency represented in the National Parliament of Bangladesh since 1984. From 13th February, 2026, this constituency is owned by the Bangladesh Nationalist Party Candidate Biswas Jahangir Alam.
The constituency encompasses Kalia Upazila and five union parishads of Narail Sadar Upazila: Bhadrabila, Bichhali, Kalora, Shaikhati, and Singasolpur.
The constituency was created in 1984 from a Jessore constituency when the former Jessore District was split into four districts: Jhenaidah, Jessore, Magura, and Narail.
Kabirul Haque Mukti was re-elected unopposed in the 2014 general election after opposition parties withdrew their candidacies in a boycott of the election.
Sheikh Hasina stood for five seats in the October 2001 general election: Rangpur-6, Narail-1, Narail-2, Barguna-3, and Gopalganj-3. After winning all but Rangpur-6, she chose to represent Gopalganj-3 and quit the other three, triggering by-elections in them. Dhirendra Nath Shah of the BNP was elected in a January 2002 by-election.