Last name Maelo (Maelo 
) , in all the world, is a rare cognomen. The family name Maelo is characteristic of Sub-Saharan Africa, particularly Botswana, where it is quite a rare surname, Kenya, where it is a rare surname, and Tanzania. Measured by absolute frequency, it is the most numerous in Kenya, Indonesia, and Tanzania. Likewise, Maelo is the forename as well as the last name.