Surname 罗思 (Roth 
, Rothe , 罗思 
) , throughout the world, is a widespread last name. The cognomen 罗思 is habitual in Western Europe, particularly Switzerland, where it is a common surname, Germany, and Liechtenstein, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Switzerland. Very seldom, 罗思 is the forename as well as the last name.