Cognomen 黎曼 (Reimann 
, 黎曼 
) , around the globe, is a common last name. The family name 黎曼 is characteristic of Estonia, where it is quite a common surname, Germany, and Switzerland. Not in comparison with a country's population, it is the most numerous in Germany, the United States, and Switzerland. Much less frequently, 黎曼 is the forename as well as the last name.