| Acronym | Definition |
|---|
| UPR➣Union Populaire Républicaine (French political party) |
| UPR➣Upper |
| UPR➣Universal Periodic Review (UN Human Rights Council) |
| UPR➣University of Puerto Rico |
| UPR➣Unia Polityki Realnej (Polish political party) |
| UPR➣unfolded protein response |
| UPR➣Union Pacific Railroad |
| UPR➣User Profile Repository |
| UPR➣Unsaturated Polyester Resin |
| UPR➣Usual Place of Residence |
| UPR➣Unconditional Positive Regard |
| UPR➣Unearned Premium Reserve (insurance) |
| UPR➣Union for Progress and Renewal (Guinea) |
| UPR➣Unité Pédagogique Régionale (French: Regional Educational Unit) |
| UPR➣Upper Pipe Ram |
| UPR➣United Piston Ring (various locations) |
| UPR➣Uniform Progress Report (US government) |
| UPR➣Union Patronale Régionale (French: Regional Employers' Union; France) |
| UPR➣Upper Principal Representation |
| UPR➣User Preferred Routing |
| UPR➣Unprocessed Packet Rate |
| UPR➣Union Populaire pour la République (French: People's Union for the Republic, Central African Republic) |
| UPR➣Upstream Petroleum Report |
| UPR➣Unit Performance Record |
| UPR➣Uranium Production Reactor |
| UPR➣Users' Performance Requirement |