Surname 洛温 (Lowen 
, Lorwin 
, Loewen ) , throughout the world, is a common cognomen. The cognomen 洛温 is characteristic of Belize, where it is quite a common surname, Canada, and Paraguay, where it is quite a rare surname. In absolute terms, it most frequently occurs in Canada, the United States, and Mexico. Very seldom, 洛温 is the forename as well as the last name.