Cognomen Cellyn (Cellyn 
) , in the world, is an extremely rare family name. The family name Cellyn is characteristic of Latin America and the Caribbean, particularly Honduras, where it is a very rare surname, and Mexico, where it is an extremely rare surname. Much more frequently, Cellyn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cellyn | Philippines, Mexico, Honduras, Indonesia, Malaysia |