Mej

Mej may refer to:
 * Mej, Sabzevar, a village in Razavi Khorasan Province, Iran
 * Mej, Torqabeh and Shandiz, another village in Razavi Khorasan Province, Iran
 * Mej River, a river in Rajasthan state, India
 * Meyah language, a language spoken in Tambrauw Regency, Indonesia, by ISO 639 code