Last name Msan (Msan 
) , throughout the world, is a rare cognomen. The last name Msan is habitual in Lebanon, where it is quite a rare surname, Myanmar, where it is a rare surname, and Malaysia, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Lebanon, Myanmar, and Nigeria. Much less frequently, Msan is the forename as well as the last name.