Mahottari 4 is one of four parliamentary constituencies of Mahottari District in Nepal.

This constituency came into existence on the Constituency Delimitation Commission (CDC) report submitted on 31 August 2017.

[1]Mahottari 4 incorporates Samsi Rural Municipality, Sonama Rural Municipality, Ramgopalpur Municipality, wards 3–6 Aurahi Municipality and wards 1–7 of Manara Shiswa Municipality.

It encompasses the following Province No.

2 Provincial Assembly segment