Cognomen Maladyn (Maladyn 
) , throughout the world, is a very rare surname. The cognomen Maladyn is habitual in Poland, where it is a very rare surname, and the United States, where it is an extremely rare surname. More frequently, Maladyn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Maladyn | Poland, United States |
| stanisław maladyn PL (b. 1909) |
|