| Acronym | Definition |
|---|
| B&A➣Before and After |
| B&A➣Brothers and Arms (brand) |
| B&A➣Bid and Ask |
| B&A➣Bonds and Allotments (US Marine Corps) |
| B&A➣Boston and Albany Railroad |
| B&A➣Boat and Aircraft |
| B&A➣Briefing and Analysis |
| B&A➣Bermello Ajamil and Partners Inc. |
| B&A➣Boners And Airplanes (band) |
| B&A➣Bassie and Adriaan |
| B&A➣Budlong and Associates (Camarillo, CA) |