Cognomen Grejsi (Grejsi 
) , across the world, is a very rare surname. The family name Grejsi is characteristic of Albania, where it is quite a rare surname, and Venezuela, where it is an extremely rare surname. More frequently, Grejsi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grejsi | United States, Venezuela, Greece, Croatia, Albania |