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

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

[1] Saptari 4 incorporates Surunga Municipality, Khadak Municipality, Bode Barsain Municipality and Balan Bihul Rural Municipality.

It encompasses the following Provincial Assembly of Madhesh Province segment