Surname Rüdy (Rüdy 
) , all around the world, is a very rare family name. The cognomen Rüdy is characteristic of Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rüdy | Germany, United States |
| willy rüdy CH (b. 1924) |
|