Cognomen Sedja (Sedja 
) , across the world, is a rare last name. The surname Sedja is habitual in Albania, where it is quite a rare surname, Italy, where it is a very rare surname, and Colombia. Measured by absolute frequency, it is commonest in Albania, Indonesia, and Italy. Very seldom, Sedja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sedja | Indonesia, South Africa, Italy, Colombia, Albania |