>
Globally, Dej (เดช , ทรงเดช , Dej ) is quite a rare predominantly male, but very seldom feminine forename. The first name Dej is habitual in Thailand, where it is quite a rare predominantly male, but very infrequently female name, Ethiopia, where it is a rare gender-neutral name, and Czechia, where it is a rare male name. Measured by absolute frequency, the name is most common in Thailand, Ethiopia, and India. Much less frequently, Dej is the last name as well as the forename.
Dej is also a name for the fictitious and mythical characters: .