Kanchanpur 1 is one of three parliamentary constituencies of Kanchanpur District in Nepal. This constituency came into existence on the Constituency Delimitation Commission (CDC) report submitted on 31 August 2017.
Kanchanpur 1 incorporates Beldani Rural Municipality, Belauri Municipality, Punarbas Municipality and Laljhadi Rural Municipality.
It encompasses the following Sudurpashchim Provincial Assembly segment