Cognomen Cagneux (Cagneux 
) , around the globe, is a very rare last name. The surname Cagneux is characteristic of Switzerland, where it is a rare surname, France, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Much less frequently, Cagneux is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cagneux | Switzerland, France, United Kingdom, United States |