Family name Machuma (Machuma 
) , around the globe, is quite a rare cognomen. The family name Machuma is characteristic of Kenya, where it is quite a rare surname, Tanzania, where it is a rare surname, and Argentina, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Kenya, Tanzania, and the United States. Much less frequently, Machuma is the forename as well as the last name.