Makwanpur District, in Bagmati Province, earlier a part of Narayani Zone, is one of the seventy-seven districts of Nepal. The city of Hetauda serves as the district headquarters and also as the provincial headquarters. The district covers an area of 2,426 km² and had a population of 392,604 in 2001 and 420,477 in 2011. The latest census of 2021 recorded the population of Makwanpur as 466,073.