Cognomen Sadny (Sadny 
) , around the globe, is a very rare surname. The surname Sadny is habitual in Egypt, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and the United States. Very seldom, Sadny is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sadny | Egypt, United Kingdom, United States |