| Abbreviation | Definition |
|---|---|
| ROYAL | Realizing Our Youth As Leaders |
| RQY | Reel Queer Youth |
| RRY | Raising Resilient Youth |
| RSYC | Red Star Youth Collective (political group) |
| RTO | Really Ticked Off |
| RTYC | Regional Tibetan Youth Congress |
| RUBY | Radford University Ballet Youth |
| RWYD | Reel World Youth Documentaries |
| RY | Reckless Youth |
| RYASAP | Regional Youth Adult Substance Abuse Project |
| RYASAP | Regional Youth/Adult Social Action Partnership (Connecticut) |
| RYB | Rochester Youth Baseball |
| RYBA | Rochester Youth Baseball Association |
| RYBA | Rockdale Youth Baseball Association |
| RYBA | Roseville Youth Basketball Association |
| RYC | Regional Youth Conference |
| RYC | Rehabilitation Youth Centre |
| RYC | Rotherham Youth Cabinet |
| RYCM | Rafflesia Youth Circle Motivation |
| RYCO | Regional Youth Cooperation Office |