Cognomen 拉普 (Rapp 
, Lapp 
, 拉普 
) , worldwide, is a common last name. The last name 拉普 is characteristic of Estonia, where it is quite a common surname, Germany, and Sweden. Not in comparison with a country's population, it is the most numerous in the United States, Germany, and France. Very seldom, 拉普 is the forename as well as the last name.