MJO

AcronymDefinition
MJOMadden-Julian Oscillation (weather pattern)
MJOMetropolitan Jazz Orchestra (Denver, CO)
MJOManhattan Jazz Orchestra (est. 1979)
MJOMärkisches Jugendsinfonieorchester (German: Young Symphony Orchestra of Mark; Altena, Germany)
MJOMouvement de la Jeunesse Orthodoxe (French: Orthodox Youth Movement)
MJOMaster Job Order