Cognomen Saint-Avit (Saint-Avit 
) , in the world, is a very rare family name. The family name Saint-Avit is habitual in Western Europe, particularly France, where it is a rare surname. Parts of the name also exists independently as a first name Saint, and a first name Avit.
| VARIANT | COUNTRY |
|---|---|
| Saint-Avit | France |
| jean de saint-avit Roman Catholic bishop, FR |
|