Family name Грациан (Gracian 
, Gratian 
, Gratianus 
) , all over the world, is quite a rare cognomen. The last name Грациан is characteristic of Romania, where it is quite a rare surname, Tanzania, and Mexico. Likewise, Грациан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gracian | Spain, Mexico, Malawi, Tanzania, Democratic Republic of the Congo |
| Gratian | Romania, Spain, Sri Lanka, Tanzania, France |
| Gratianus | Tanzania, Indonesia, Brazil, Germany |
| Грациан | Kazakhstan, Russia, Ukraine |