Around the globe, Isen (Isen 
, 伊森 
, Исен 
) is a rare epicene first name. The forename Isen is habitual in Albania, where it is quite a rare male name, Kazakhstan, where it is a rare mostly male, but infrequently girly name, and Belgium, where it is a rare boy's name. In absolute terms, it is the most numerous in Indonesia, India, and Nigeria. Also, Isen is the last name as well as the forename.
Isen is also a popular name for the fictitious and mythical characters: Ethan Winters , the Resident Evil character, Resident Evil Village; Ethan , the fictional character from the video game The Last of Us; Ethan Hunt , the fictional character, Mission: Impossible; Ethan Bennett , character in The Batman and Roark Junior , character in Sin City, and in many other works.