| Abbreviation | Definition |
|---|---|
| BYBS | Barrington Youth Baseball and Softball |
| BYBS | Bolton Youth Baseball Softball |
| BYC | Baltimore Youth Cycling |
| BYC | Berks Youth Chorus |
| BYC | Beschen Youth Compound |
| BYC | Bishopric Youth Committee |
| BYC | British Youth Council |
| BYC | Broadway Youth Center |
| BYC | Brooklyn Youth Chorus |
| BYC | Broward Youth Coalition |
| BYC | Burnsville Youth Collaborative |
| BYCL | Bachelor of Youth and Community Leadership |
| BYCL | Bedfordshire Youth Cricket League |
| BYCL | Bristol Youth Cricket League |
| BYCO | Barents Youth Cooperation Office |
| BYCO | Bromley Youth Chamber Orchestra |
| BYDO | Banbury Youth Dance Orchestra |
| BYEP | Bangladesh Youth Employment Pilot |
| BYEP | Big Sky Youth Empowerment |
| BYF | Barrington Youth Football |