Surname Сеидага (Сеидага 
, Seidaga 
) , around the globe, is an extremely rare family name. The cognomen Сеидага is habitual in Western Asia, particularly Georgia, where it is a very rare surname. Much more frequently, Сеидага is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Сеидага | Russia |
| Seidaga | Georgia |