Cognomen מאמאו (Mamau 
, מאמאו 
) , throughout the world, is a very rare surname. The cognomen מאמאו is habitual in Malaysia, where it is a very rare surname, Indonesia, and Nigeria, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Indonesia, India, and Malaysia. Also, מאמאו is the forename as well as the last name.