Surname Reljan (Reljan 
) , throughout the world, is a very rare cognomen. The cognomen Reljan is characteristic of Croatia, where it is quite a rare surname, Czechia, where it is a rare surname, and Germany, where it is an extremely rare surname. Very seldom, Reljan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Reljan | Germany, Croatia, Canada, Philippines, Czechia |