Cognomen Mssn (Mssn 
) , in the entire world, is a very rare family name. The cognomen Mssn is habitual in France, where it is a very rare surname, Myanmar, and Chile, where it is an extremely rare surname. In absolute terms, it is commonest in France, Myanmar, and India. Very seldom, Mssn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mssn | Myanmar, Nigeria, United States, India, France |