| Abbreviation | Definition |
|---|---|
| RYC | Roll Your Cigarettes |
| RYD | Realize Your Design |
| RYD | Reason You Die |
| RYD | Recover Your Dreams |
| RYD | Responsible Young Drivers |
| RYD | Rice Yellow Dwarf |
| RYD | Ride Your Dreams |
| RYD | Ridgewood YMCA Dolphins |
| RYD | Rogers Yacht Design |
| RYDER | Rich Yanks Drool Europeans Rule |
| RYE | Really Yucky Elixir |
| RYF | Raquel Yrigoyen Fajardo |
| RYF | Respect Your Freedom |
| RYF | Respects Your Freedom |
| RYF | Restless Yellow Flowers |
| RYF | Ride Yourself Fit |
| RYF | Robust Yet Fragile |
| RYG | Red Yellow Green |
| RYG | Rhos y Gwaliau |
| RYG | Rodrigo y Gabriela |