Cognomen Geryon (Geryon 
) , throughout the world, is a very rare surname. The cognomen Geryon is characteristic of Tanzania, where it is a very rare surname, France, and Venezuela, where it is an extremely rare surname. Much less frequently, Geryon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Geryon | Tanzania, France, United States, India, Spain |
| leon geryon |
|