| Acronym | Definition |
|---|
| BYB➣Belarussian Ruble (currency code; now BYR) |
| BYB➣Back Yard Breeder (unprofessional dog breeder) |
| BYB➣Backyard Babies (band) |
| BYB➣Building Your Business |
| BYB➣Behind Your Back (Internet slang) |
| BYB➣Backyard Baseball |
| BYB➣Back Yard Burgers, Inc. (restaurants; Nashville, TN) |
| BYB➣Back Yard Band (band) |
| BYB➣Back Yard Boards |
| BYB➣Bring Your Buddy |
| BYB➣Benefit Year Beginning (tax filing) |
| BYB➣Burbank YMCA Bluefins (swim team) |
| BYB➣Buckingham Youth Brigade (Arlington, VA) |
| BYB➣Backyardbashers (radio controlled scale model vehicles) |
| BYB➣Bone Yard Boys (band) |
| BYB➣Berkshire Youth Ballet (UK) |