Nilphamari-4 is a constituency represented in the Jatiya Sangsad (National Parliament) of Bangladesh. Since 13th February, 2026, This constituency is represented by Abdul Muntakim, a member of Bangladesh Jaamat-e-Islami.
The constituency encompasses Saidpur and Kishoreganj Upazilas.
The constituency was established in 1984 following the division of the former Rangpur District into five districts: Nilphamari, Lalmonirhat, Rangpur, Kurigram, and Gaibandha.
Prior to the 2018 general election, the Election Commission expanded the constituency's boundaries. Previously, it had excluded the three northernmost union parishads of Kishoreganj Upazila: Barabita, Putimari, and Ranachandi.
Shawkat Chowdhury was elected unopposed in the 2014 general election after opposition parties withdrew their candidacies in a boycott of the election.