Cognomen Amilcar Antonio (Amilcar Antonio 
) , all over the world, is an extremely rare family name. The family name Amilcar Antonio is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. Much more prevalently, Amilcar Antonio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Amilcar Antonio | Portugal, Chile, El Salvador, Ecuador, Peru |
Arroyo, and Catalan Hernandez