Rupandehi 3 is one of three parliamentary constituencies of the Rupandehi District in Nepal. This constituency came into existence from the Constituency Delimitation Commission(CDC) report submitted on 31 August 2017.
Rupandehi 3 incorporates Sudhdhodhan Rural Municipality, Sidhhartanagar Municipality, wards 1 to 3, 6 and 7 of Siyari Rural Municipality, ward 2 of Omasatiya Rural Municipality, wards 7 and 8 of Mayadevi Rural Municipality, wards 13 and 14 of Tilottama Municipality and wards 14 to 19 of Butwal Sub-metropolitan City.
It encompasses the following Lumbini Provincial Assembly segments.