>
All over the world, Jassen (Ясен , Jassen ) is quite a rare principally male, but very infrequently feminine first name. The first name Jassen is habitual in Bulgaria, where it is quite a common boy's name, Azerbaijan, where it is quite a rare boy's name, and Kuwait, where it is a rare boy's name. Measured by absolute frequency, it is the most numerous in Bulgaria, Philippines, and the United States. Also, Jassen is the last name as well as the forename.