Cognomen Alfonso Tomas (Alfonso Tomas 
) , all over the world, is a very rare last name. The family name Alfonso Tomas is characteristic of Chile, where it is a rare surname, and Spain, where it is a very rare surname. More frequently, Alfonso Tomas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alfonso Tomas | Peru, Argentina, Spain, Chile, Ecuador |