Makwanpur 1 is one of two parliamentary constituencies of Makwanpur District in Nepal.

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

[1] Makwanpur 1 parliamentary constituency incorporates Bagmati Rural Municipality, Bakaiya Rural Municipality, wards 1–4 Makawanpurgadhi Rural Municipality and, wards 2, 4–10 and 12–18 of Hetauda Sub-metropolitan City.

It encompasses the following Bagmati Provincial Assembly segment