UJR may refer to:

• Rebellion Youth Union, the youth wing of the Revolutionary Communist Party in Brazil
• Unanimous justified representation, a criterion for evaluating the fairness of electoral systems
• Unsecured Judicial Release, a term for personal recognizance bonds used in some jurisdictions
• the airline code for Universal Jet Rental de Mexico
• União do Judaismo Reformista, the regional organisation of the World Union for Progressive Judaism in Brazil

This disambiguation page lists articles associated with the title UJR.
If an internal link led you here, you may wish to change the link to point directly to the intended article.