Cognomen Agnesio (Agnesio 
) , all around the world, is a very rare last name. The surname Agnesio is habitual in Argentina, where it is a very rare surname, Italy, and Israel. Not in comparison with a country's population, it most frequently occurs in Argentina, Italy, and France. More frequently, Agnesio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Agnesio | Italy, France, Brazil, Argentina, Philippines |