Throughout the world, Casimir-Benoit (Casimir-Benoit 
) is an extremely rare unknown gender first name. Much more prevalently, Casimir-Benoit is the last name as well as the forename. Parts of the name also exists independently as a first name Casimir, and a first name Benoit.
| VARIANT | COUNTRY |
|---|---|
| Casimir-Benoit | United States |