Surname 伊森 (Ethan 
, Eason 
, Isen 
) , all over the world, is a common family name. The cognomen 伊森 is habitual in North Macedonia, where it is quite a common surname, the United States, where it is quite a rare surname, and New Zealand. In absolute terms, this name is the most popular in the United States, the United Kingdom, and Bangladesh. More prevalently, 伊森 is the forename as well as the last name.