Family name Cardenio Antonio (Cardenio Antonio 
) , all over the world, is a very rare cognomen. The cognomen Cardenio Antonio is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Cardenio Antonio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cardenio Antonio | Chile, Peru |