ZJ

ZJ or zJ may refer to:

Places

Zhejiang, a province of China

Science and mathematics

Zeptojoule (zJ), a small SI unit of energy
Zettajoule (ZJ), a large SI unit of energy
ZJ theorem, 1968, in group theory

Transport

Jeep Grand Cherokee (ZJ), 1993 models of the sports utility vehicle
Zambezi Airlines (2008–2012; IATA:ZJ)

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