Cognomen Mugu (Mugu 
, Мугу 
) , around the world, is quite a rare family name. The cognomen Mugu is characteristic of Estonia, where it is quite a rare surname, Kenya, where it is a rare surname, and United Arab Emirates. Measured by absolute frequency, this name is the most popular in India, Kenya, and Nigeria. Also, Mugu is the forename as well as the last name.