Family name Mayeni (Mayeni 
) , throughout the world, is a rare last name. The last name Mayeni is habitual in the Democratic Republic of the Congo, where it is a rare surname, South Africa, and Mexico, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Indonesia, the Democratic Republic of the Congo, and Mexico. Very seldom, Mayeni is the forename as well as the last name.