| Abbreviation | Definition |
|---|---|
| YLC | Yonder Lions Club sporting club |
| YLT | Yo La Tengo (baseball: I have it) |
| YMBA | York Mountain Biking Association (Ontario) |
| YMCA | Young Men Christian Athletes |
| YMS | Yardley Makefield Soccer |
| YMSA | Yardley Makefield Soccer Association |
| YMTP | Young Milford Tennis Phenomenon |
| YNS | York Nomad Society |
| YNT | Youth National Team |
| YNWA | You Never Win Again |
| YNWA | You'll Never Walk Alone |
| YO | Youth Outing |
| YOG | Youth Olympic Games |
| YOGA | You Oughta Get Aware |
| YOR | CIBC Pan Am / Parapan Am Athletics Stadium at YORk University |
| YOR | YSR Owners Racing Club |
| YOY | Yearling And Older |
| YOY | Young Of The Year |
| YP | Yzerman Pro |
| YPA | Young Players Association |