Family name Моцарт (Mozart 
, Моцарт 
) , all around the world, is quite a rare surname. The cognomen Моцарт is habitual in Austria, where it is quite a rare surname, Sweden, and Cameroon, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Indonesia, the Democratic Republic of the Congo, and Brazil. More prevalently, Моцарт is the forename as well as the last name.