| Abbreviation | Definition |
|---|---|
| ASPL | Assistant Senior Patrol Leader |
| ASSG | Associazione Scout San Giorgio |
| ASTC | Alamo Scouts Training Center |
| ATST | All Terrain Scout Transport |
| AWACS | A Weekend of Activities for County Scouters |
| AWIT | Advanced Wrangler In Training |
| BB | Boys' Brigade [British] |
| BBPC | B'nai B'rith Perlman Camp |
| BCSR | Boulder Creek Scout Reservation |
| BGD | Button Gwinnett District, Boy Scouts of America |
| BHSC | Baiting Hollow Scout Camp |
| BLBC | Black Lake Bible Camp |
| BMDC | Blue Mountain Day Camp |
| BOAC | Big Outdoor Adventure Camp |
| BOP | Base or bottom of pyramid |
| BPBO | Bruce Peninsula Bird Observatory |
| BRSR | Blue Ridge Scout Reservation |
| BS | Boy Scouts |
| BSA | Boy Scout |
| BSA | Boy Scout Advancement |