| Acronym | Definition |
|---|
| BJA | Bureau of Justice Assistance (US Department of Justice) |
| BJA | British Journal of Anaesthesia |
| BJA | British Judo Association |
| BJA | Bob Jones Academy (Greenville, SC) |
| BJA | British Jewellers' Association |
| BJA | Billie Joe Armstrong (lead singer of Green Day) |
| BJA | British Journal of Aesthetics |
| BJA | Belgium-Japan Association |
| BJA | British Journal of Addiction |
| BJA | Board for Judicial Administration (Washington) |
| BJA | Brigade Judge Advocate |
| BJA | Bob Jones Auditorium (Redstone Arsenal; Alabama) |
| BJA | Baxter & Jacobson Architects (Australia) |
| BJA | Bijoux Jungblut Avocats (French law firm) |
| BJA | Burlap and Jute Association (Dayton, OH) |