Cognomen Итен (Iten 
, Itten 
, Итен 
) , around the world, is quite a common surname. The family name Итен is habitual in Switzerland, where it is quite a common surname, Japan, where it is quite a rare surname, and Guatemala. Not in comparison with a country's population, it most frequently occurs in Switzerland, Japan, and the United States. Also, Итен is the forename as well as the last name.