Last name Музу (Musu 
, Музу 
) , throughout the world, is quite a rare surname. The cognomen Музу is habitual in Malta, where it is quite a common surname, Italy, where it is quite a rare surname, and Romania, where it is a rare surname. Not in comparison with a country's population, it is commonest in Italy, Indonesia, and Bangladesh. Likewise, Музу is the forename as well as the last name.