Last name Americo Mario (Americo Mario 
) , in all the world, is an extremely rare family name. The surname Americo Mario is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Americo Mario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Americo Mario | Peru, Ecuador, Chile, Argentina |