Surname Куртен (Courten 
, Куртен 
) , throughout the world, is a rare cognomen. The family name Куртен is characteristic of Switzerland, where it is a rare surname, Austria, and the United Kingdom, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Switzerland, the United States, and the United Kingdom. Very seldom, Куртен is the forename as well as the last name.