Cognomen Ichen (Ишен 
, Ichen 
) , globally, is quite a rare surname. The cognomen Ichen is habitual in Kyrgyzstan, where it is quite a rare surname, Morocco, where it is a rare surname, and Algeria. Not in comparison with a country's population, this name is the most popular in Kyrgyzstan, Morocco, and Nigeria. Likewise, Ichen is the forename as well as the last name.