B&A
| 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) |