Surname Masnon (Masnon 
) , in all the world, is a rare family name. The cognomen Masnon is habitual in Malaysia, where it is quite a rare surname, Indonesia, where it is a very rare surname, and Argentina, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Malaysia, Indonesia, and India. Very seldom, Masnon is the forename as well as the last name.