Cognomen Musadik (Musadik 
) , around the world, is a rare surname. The family name Musadik is habitual in Sri Lanka, where it is quite a rare surname, North Macedonia, where it is a rare surname, and Malaysia, where it is a very rare surname. Measured by absolute frequency, it is commonest in Sri Lanka, Indonesia, and Nigeria. Also, Musadik is the forename as well as the last name.