Cognomen Maodi (毛弟 
, Maodi 
) , in the world, is a rare family name. The cognomen Maodi is habitual in South Africa, where it is a rare surname, China, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in South Africa, China, and India. Also, Maodi is the forename as well as the last name.