Surname Mhsen (Mhsen 
) , throughout the world, is quite a rare last name. The surname Mhsen is habitual in Western Asia, particularly Syria, where it is quite a rare surname, Iraq, and Lebanon, where it is a rare surname. Measured by absolute frequency, the name is most common in Iraq, Syria, and Egypt. Likewise, Mhsen is the forename as well as the last name.