Cognomen Sevastijan (Севастіян 
, Sevastijan 
) , in all the world, is a very rare last name. The family name Sevastijan is characteristic of North Macedonia, where it is a rare surname, and Ukraine. Very seldom, Sevastijan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Севастіян | Ukraine |
| Sevastijan | North Macedonia |