Dhanusha 1 is one of four parliamentary constituencies of Dhanusha District in Nepal. This constituency came into existence on the Constituency Delimitation Commission (CDC) report submitted on 31 August 2017.
Dhanusha 1 incorporates Ganeshman Charnath Municipality, Dhanushadham Municipality, Sabaila Municipality, wards 1, 3, 4 and 5 of Mithila Bihari Municipality, wards 2, 3, 5, 7 and 8 of Hansapur Municipality, ward 4 of Mithila Municipality and wards 8 and 9 of Chhirreshwarnath Municipality
It encompasses the following Madhesh Provincial Assembly segment
Total Voters: 126,038 ÷ Votes Cast: 78,463 (62.25%)
Votes cast for the Rastriya Swatantra Party (Bell symbol) were counted but not publicly disclosed after the party's candidate was disqualified prior to polling.