Cognomen Clavicula (Caravilla 
, Clavicula, Clavija 
) , all over the world, is a very rare surname. The last name Clavicula is characteristic of Italy, where it is a very rare surname, Colombia, and Spain. Very seldom, Clavicula is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Caravilla | Italy, Philippines, Spain |
| Clavija | Peru, Colombia, Spain |
| Clavicola | Italy |