Morang 4 is one of six parliamentary constituencies of Morang District in Nepal.

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

[1] Morang 4 incorporates Gramthan Rural Municipality, Kathahari Rural Municipality, wards 5–7 of Belbari Municipality and wards 1–3, 8 and 10 of Biratnagar Metropolitan City.

It encompasses the following Province No.

1 Provincial Assembly segment