Cognomen Roogna (Roogna 
) , worldwide, is a very rare family name. The cognomen Roogna is habitual in Estonia, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Likewise, Roogna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roogna | United States, India, Estonia |