Surname ロセール (Roser 
, ロセール) , all around the world, is a common family name. The last name ロセール is habitual in Spain, where it is quite a common surname, Slovenia, and Switzerland, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in Spain, Germany, and the United States. Likewise, ロセール is the forename as well as the last name.