In the entire world, Caillet (Caillet 
) is a very rare epicene given name. The forename Caillet is characteristic of France, where it is a very rare gender-neutral name, and China, where it is an extremely rare boy's name. Predominantly, Caillet is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Caillet | Switzerland, United States, Argentina, France, Democratic Republic of the Congo |