| BYB | Baby Your Baby 
| Others |
| BYB | Back Yard Brawl
| Others |
| BYB | Back Yard Breeder
| Others |
| BYB | Back Yard Burgers
| Others |
| BYB | Balance Yoga Barre
| Others |
| BYB | Barrington Youth Basketball
| Others |
| BYB | Batavia Youth Baseball
| Others |
| BYB | Be Your Best
| Others |
| BYB | Beaumont Youth Baseball
| Others |
| BYB | Becoming Your Best
| Others |
| BYB | Before You Begin
| Others |
| BYB | Before You Buy
| Others |
| BYB | Beginning Year Benefit
| Others |
| BYB | Behind Your Back
| Others |
| BYB | Below Your Belt
| Others |
| BYB | Belvidere Youth Baseball
| Others |
| BYB | Benefit Year Began
| Others |
| BYB | Benefit Year Begin
| Others |
| BYB | Benefit Year Beginning
| Others |
| BYB | Billerica Youth Basketball
| Others |
| BYB | Bleeding Yankee Blue
| Others |
| BYB | Bless You Boys
| Others |
| BYB | Bluegrass Youth Ballet
| Others |
| BYB | Boston YMCA Bluefins
| Others |
| BYB | Bourne Youth Baseball
| Others |
| BYB | Braintree Youth Basketball
| Others |
| BYB | Bring Your Bike
| Others |
| BYB | Bring Your Bottle
| Others |
| BYB | Bring Your Buddy
| Others |
| BYB | Bringing You Business
| Others |
| BYB | Brookline Youth Baseball
| Others |
| BYB | Buckingham Youth Brigade
| Others |
| BYB | Build Your Business
| Others |
| BYB | Building Your Base
| Others |
| BYB | Burbank YMCA Bluefins
| Others |
| BYB | Business of Your Business
| Others |
| BYB | Dibaa, Oman
| Others |