| Acronym | Definition |
|---|
| UAR➣United Arab Republic |
| UAR➣Up and Running |
| UAR➣User Access Review (SAP) |
| UAR➣Unión Argentina de Rugby (Argentinian Rugby League) |
| UAR➣Undergraduate Advising and Research (Stanford University; Palo Alto, CA) |
| UAR➣Upper Austrian Research |
| UAR➣Urban Affairs Review |
| UAR➣Unclaimed Assets Register (UK) |
| UAR➣Utah Association of Realtors |
| UAR➣United Artists Records, Inc. (record label) |
| UAR➣Unit Appreciation Rights |
| UAR➣Utah Administrative Rules |
| UAR➣Unusual Attitude Recovery (aviation) |
| UAR➣Uniformly At Random |
| UAR➣Union of African Railways |
| UAR➣User Authorization Request |
| UAR➣Unconventional Assisted Recovery |
| UAR➣Unstable Ape Records (Australian independent record label) |
| UAR➣Uranyl Acetate Replacement (staining) |
| UAR➣Upper Airway Restriction |
| UAR➣Unique Application Reseller (software sales) |
| UAR➣Unattended Radar |
| UAR➣Uniform Administrative Requirements (government regulations) |
| UAR➣Unit Airman Record |
| UAR➣Utilities Accommodation Rules (various locations) |