Rasuwa District a part of Bagmati Zone, is one of the seventy-five districts of Nepal, a landlocked country of South Asia. The district, with Dhunche as its district headquarters, covers an area of 1,544 km² and has a population (2011) of 43,300. As per census 2011 total households in Rasuwa district is 9,778.

It is the smallest district by area, among 16 districts in the Himalaya region of Nepal.

Origin of its name had begun as 'Rasowa' which is believed to be derived as a combination of two Tibetan words ra (meaning: lambs) and sowa (meaning: grazing) as it was famous for its lamb and grazing lands. And later people started to call it Rasuwa. The administrative division of Rasuwa comprised 18 Village Development Committees (VDCs) each having 9 wards. Rasuwa is accessible by bus from Kathmandu (national capital) via Pasang Lhamu highway (H21), with its headquarters (Dhunche) being about 120 km from Kathmandu. As of 2013, 3 VDCs namely Thuman, Langtang and Haku is not touched by any kind of roadway.