TBYC
| Acronym | Definition |
|---|---|
| TBYC | Thorpe Bay Yacht Club (UK) |
| TBYC | Thunder Bay Yacht Club (Ontario, Canada) |
| TBYC | Take Back Your City |
| TBYC | Tawas Bay Yacht Club (Tawas City, Michigan) |
| TBYC | Turgutreis Bodrum Yacht Club (Turkish Sailing Federation) |
| TBYC | Twofold Bay Yacht Club (Australia) |