Last name Caux-Tardif (Caux-Tardif 
) , in all the world, is an extremely rare family name. The family name Caux-Tardif is characteristic of Northern America, particularly Canada, where it is an extremely rare surname. Parts of the name also exists independently as a last name Caux, and a last name Tardif.
| VARIANT | COUNTRY |
|---|---|
| Caux-Tardif | Canada |