Family name Clapet (Clapet 
) , across the world, is a very rare last name. The surname Clapet is characteristic of France, where it is a very rare surname, and the United States, where it is an extremely rare surname. More prevalently, Clapet is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Clapet | France, Democratic Republic of the Congo, United States |