| Abbreviation | Definition |
|---|---|
| YES | Your Enjoyment Of Skiing |
| YES | Youth Educational Sports |
| YES | Youth Extreme Sports |
| YESS | Youth Education Sports Services |
| YET | You're Eligible Too |
| YFF | Youth Football Fund |
| YFL | Yosemite Forensic League |
| YGC | Yreka Gun Club |
| YGL | York County Girls Lacrosse |
| YGP | Younger Generation Player |
| YH | Yankee Hater |
| YH | Yay Hooray! |
| YH | Youth Horsemanship |
| YHL | Youth Hockey League |
| YIL | Years In League |
| YIY | Yoga is Youthfulness |
| YJ | Yellow Jersey |
| YJC | Young Jumper Championships |
| YKP | Yorkshire Puddings Cricket team |
| YKS | Yoga Kingdom Sanctuary |