Namkha (Nepali: नाम्खा) is the largest rural municipality (by area) of Nepal located in Humla District of Karnali Province. The total area of the rural municipality is 2,419.64 square kilometres (934.23 sq mi) and total population is 3900 individuals (as of 2011 Nepal census) only. The rural municipality is divided into 6 wards. Hepka, Khagalgaun, Muchu and Limi Village development committees were incorporated to form this new rural municipality. The headquarters of the municipality is situated at Yalwang.