Family name Gujen (Gujen 
) , in the entire world, is an extremely rare last name. The last name Gujen is characteristic of Georgia, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Much more frequently, Gujen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gujen | India, Brazil, Georgia, Philippines |