Family name Коуэн (Cowan 
, Cowen , Коуэн 
) , all around the world, is a common cognomen. The surname Коуэн is habitual in Marshall Islands, where it is quite a common surname, Jamaica, and Isle of Man (explore the name in all countries). Measured by absolute frequency, this name is the most popular in the United States, the United Kingdom, and Canada. Much less frequently, Коуэн is the forename as well as the last name.