MJB
# MJB

MJB may refer to:

* Mary J. Blige (born 1971), American singer
* Matthew James Bellamy, a lead guitarist and singer of rock band Muse, composer and songwriter
* MJB (coffee), an American brand of coffee
* Movement for Justice en el Barrio, a community organization in New York
* Mejit Airport, a Marshall Islands airport with IATA code MJB
* Magic Blue Airlines, a former Dutch airline with ICAO code MJB
