Family name Allois (Allois 
) , across the world, is a rare cognomen. The surname Allois is habitual in Argentina, where it is a rare surname, France, and Italy, where it is a very rare surname. In absolute terms, it most frequently occurs in Argentina, France, and the United States. Very seldom, Allois is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Allois | South Africa, Argentina, France, Italy, United States |