| Abbreviation | Definition |
|---|---|
| RYB | Rock Your Body |
| RYC | Regional Youth Circuit |
| RYC | Rendezvous Yacht Club |
| RYC | Richmond Yacht Club |
| RYC | Riverside Yacht Club |
| RYC | Riverton Yacht Club |
| RYC | Rochester Yacht Club |
| RYC | Rockland Yacht Club |
| RYC | Rockport Yacht Club |
| RYC | Rogue Yacht Club |
| RYC | Royal Yacht Club |
| RYC-H | Royal Yacht Club Hollandia |
| RYH | Rochester Youth Hockey |
| RYHF | Rochester Youth Hockey Foundation |
| RYHL | Rochester Youth Hockey League, Inc. |
| RYP | Reach Your Peak |
| RYR | Robert Yates Racing |
| RYR | Rochester Youth Referee |
| RYS | Racine Youth Sports |
| RYS | Raynham Youth Soccer |