Cognomen Waldyn (Waldyn 
) , throughout the world, is a very rare family name. The surname Waldyn is habitual in Honduras, where it is a very rare surname, Spain, and Nicaragua. Measured by absolute frequency, this name is the most popular in the United States, Spain, and Honduras. More frequently, Waldyn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Waldyn | Costa Rica, Honduras, United States, Dominican Republic, Spain |