Worldwide, Fillion-Slepoy (Fillion-Slepoy 
) is an extremely rare unknown gender given name. Much more prevalently, Fillion-Slepoy is the last name as well as the forename. Parts of the name also exists independently as a last name Fillion, and a last name Slepoy.
| VARIANT | COUNTRY |
|---|---|
| Fillion-Slepoy | United States |