UJ may refer to:

Education

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People

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  • Og (or 'Ūj), a biblical king
  • UJ Seuteni, Samoan rugby player

Other uses

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  • Awj, a Syrian village near Hama, sometimes spelled Uj
  • Microjoule (μJ, sometimes uj), a unit of energy
  • Új Kelet, a Hungarian-language Zionist Jewish Newspaper
  • Union Jack or Union Flag, of the United Kingdom
  • Universal joint, a mechanical coupling