Surname Rosier (Rosier , روزيه , ดอกกุหลาบ ) , in the entire world, is a common cognomen. The last name Rosier is characteristic of Haiti, where it is quite a rare surname, France, and Belgium. Measured by absolute frequency, it most frequently occurs in France, the United States, and Haiti. Very seldom, Rosier is the forename as well as the last name.