Family name Rosalier (Rosalier 
) , in the entire world, is an extremely rare cognomen. The family name Rosalier is characteristic of Latin America and the Caribbean, particularly Honduras, where it is a very rare surname. Much more prevalently, Rosalier is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rosalier | Brazil, Honduras, United States, Philippines |