DEJ may stand for:

• Dermoepidermal junction, the interface between the dermis and the epidermis inside the skin

• Dentinoenamel junction, the interface between the dentin and the enamel inside a tooth

• Deferred entry of judgment, similar or equal to deferred adjudication in court cases

• Tongren Dejiang Airport (IATA code DEJ), an airport in China

See also

• Dej, a city in Romania