Parsa 1 is one of four parliamentary constituencies of Parsa District in Nepal.

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

[1]Parsa 1 incorporates wards 2, 4, 5, 7, 8, 11–16, 18, 20–23 and 30–32 of Birgunj Metropolitan City.

It encompasses the following Province No.

2 Provincial Assembly segment