Last name Сеймен (Seymen 
, Сеймен 
) , worldwide, is a common family name. The surname Сеймен is habitual in Turkey, where it is quite a common surname, Azerbaijan, where it is quite a rare surname, and Belgium, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Turkey, Azerbaijan, and Germany. Very seldom, Сеймен is the forename as well as the last name.