Around the world, Seysen (Сейсен 
, Seysen 
) is a rare principally masculine, but very seldom female given name. The first name Seysen is habitual in Azerbaijan, where it is quite a rare boy's name, and Kazakhstan, where it is quite a rare mostly masculine, but infrequently feminine name. Much less frequently, Seysen is the last name as well as the forename.