| Abbreviation | Definition |
|---|---|
| ROY | Range Outputs Y |
| ROY | Red Orange and Yellow |
| ROY | Rely On Yourself |
| ROY | Republic of Yemen |
| ROY | Revitalization of Youngsville |
| ROY | Rookie Of Year |
| ROY | Run Of Year |
| ROY | Runner of the Year |
| ROYAL | Rude Odd Yuk Aggrevating Lucy |
| ROYALTY | Royalties |
| ROYD | Range Output Y Dependent |
| ROYGBIV | Red Orange Yellow Green Blue Indigo and Violet |
| ROYGBIV | Richard Of York Gave Battle In Vain |
| ROYGBP | Red Orange Yellow Green Blue Purple |
| ROYGBV | Red Orange Yellow Green Blue Violet |
| ROYL | Rest of Your Life |
| ROYTISH | Roytisha |
| ROZ | Reconstruction Opportunity Zone |
| ROZ | Research Oktan Zahl |
| ROZ | Restricted Operating Zone |