Surname Кауен (Cowen 
, Кауен 
) , in the entire world, is quite a common family name. The family name Кауен is habitual in Guernsey, where it is quite a common surname, Australia, where it is quite a rare surname, and the United Kingdom. Measured by absolute frequency, it most frequently occurs in the United States, the United Kingdom, and Australia. Very seldom, Кауен is the forename as well as the last name.