Surname Ратиер (Ratier 
, Ратиер 
) , in the entire world, is quite a rare last name. The surname Ратиер is characteristic of France, where it is quite a rare surname, Brazil, where it is a rare surname, and Argentina. Much less frequently, Ратиер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ratier | Ireland, United States, Argentina, France, Brazil |
| Ратиер | Russia |