Cognomen Keldyn (Keldyn 
) , in all the world, is an extremely rare family name. The last name Keldyn is habitual in Latin America and the Caribbean, particularly Honduras, where it is a very rare surname. Likewise, Keldyn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Keldyn | Honduras, Peru, United States |