Mumviri is a dialect of the Kamkata-viri Nuristani language spoken by perhaps 1,500 of the Mumo people of Afghanistan. There are only slight differences to the Kata-vari, Mumviri has Kamviri phonetic features. The most used alternative name is Bashgali, which derive from Khowar.
Mumviri is spoken in the Mangul, Sasku and Gabalgrom in the Bashgal Valley.