Cognomen Calv (Calv 
) , around the world, is a very rare family name. The last name Calv is habitual in Indonesia, where it is a very rare surname, France, and Colombia. Not in comparison with a country's population, it is the most numerous in Indonesia, the United States, and France. Very seldom, Calv is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Calv | Italy, Indonesia, United States, Colombia, France |