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

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

[1] Dailekh 1 incorporates Gurans Rural Municipality, Dungeshwor Rural Municipality, Bhagwatimai Rural Municipality, Narayan Municipality, Naumule Rural Municipality and Mahabu Rural Municipality.

It encompasses the following Karnali Provincial Assembly segment