Cognomen Cavyn (Cavyn 
) , worldwide, is a very rare surname. The surname Cavyn is characteristic of Western Europe, particularly Belgium, where it is a rare surname, and France, where it is a very rare surname. Very seldom, Cavyn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cavyn | Belgium, South Africa, Philippines, United States, France |