Cognomen Marssia (Marssia 
) , across the world, is an extremely rare last name. The cognomen Marssia is habitual in Latin America and the Caribbean, particularly Honduras, where it is a very rare surname, and Mexico, where it is an extremely rare surname. More frequently, Marssia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marssia | Peru, Philippines, United States, Mexico, Honduras |