UJ

UJ may refer to:

Universities:
 * University of Jaffna, in Sri Lanka
 * Jagiellonian University of Kraków, Poland
 * University of Jamestown, in Jamestown, North Dakota, US
 * University of Johannesburg, South Africa
 * University of Jordan, the oldest institution of higher learning in Jordan
 * University of Judaism, former name of the American Jewish University

Other uses:
 * Awj, a Syrian village near Hama, sometimes spelled Uj
 * Microjoule (μJ), a unit of energy equal to one millionth of one joule
 * Új Kelet, a Hungarian-language Zionist Jewish Newspaper
 * UJ Seuteni, a rugby union footballer
 * Union Jack or Union Flag, the national flag of the United Kingdom
 * Universal joint, a mechanical coupling
 * Og, a biblical figure known in Arabic as 'Uj.