JZ

JZ may refer to:

*Jay-Z, rap/hip hop performer
*JZ Knight, CEO of JZK Inc. and channeller.
*Toyota JZ engine, a straight-6 automobile engine
*J-Z (New York City Subway service)
*the yugoslavian states railway Jugoslovenske Železnice
*John Zimmerman
*Gesias Calvancanti, mixed martial artist nicknamed JZ
*James Zabiela, British DJ and producer
*Skyways Express IATA airline designator
*Jacob Zuma, South African politician
*an asteroid, see List of asteroids e.g. 2002 JZ₇₀