Surname Sylja (Sylja 
) , all around the world, is a rare family name. The surname Sylja is characteristic of Albania, where it is quite a rare surname, New Zealand, where it is a rare surname, and Italy, where it is a very rare surname. Likewise, Sylja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sylja | Albania, Jordan, Italy, New Zealand, Democratic Republic of the Congo |