| Acronym | Definition |
|---|
| BAL | Balance |
| BAL | Baltimore (Maryland) |
| BAL | Bronchoalveolar Lavage (medical) |
| BAL | Baluchi (linguistics) |
| BAL | Boite Aux Lettres |
| BAL | Break A Leg |
| BAL | Blood Alcohol Level |
| BAL | Berry Appleman & Leiden LLP (est. 1980; various locations) |
| BAL | Bangladesh Awami League (political party) |
| BAL | Benefits Administration Letter (FEHB) |
| BAL | Bap Application Layer |
| BAL | Bit Allocation |
| BAL | Branch and Link |
| BAL | British Anti-Lewisite (dimercaprol; chelating agent) |
| BAL | British Architectural Library (UK) |
| BAL | Bibliography of American Literature |
| BAL | Basic Assembly Language |
| BAL | Boeing Australia Limited |
| BAL | Branch and Link (IBM) |
| BAL | Basic Assembler Language |
| BAL | Bretagne Armor Lux (French; cycling) |
| BAL | Bornova Anadolu Lisesi (Izmir, Turkey high school) |
| BAL | Baltimore Penn Station (Amtrak station code) |
| BAL | Bharti Airtel Limited (India) |
| BAL | Brigate Autonome Livornesi (Italian: Autonomous Brigades of Livorno; Livorno, Italy; est. 1999) |
| BAL | Bank Alfalah Limited |
| BAL | Batman, Turkey - Nearest Air Service Through Diyarbakir (Airport Code) |
| BAL | Black Americans for Life |
| BAL | Ballistiet (propellant) |
| BAL | Big Ass Light |
| BAL | Bal d'Arts Légers (French dance company) |
| BAL | Bureau d'Action Linguistique (French: Office Action Language; various locations) |
| BAL | Bronx Academy of Letters (Bronx, New York) |
| BAL | Bachelor of Academic Law (degree) |
| BAL | Business Assembly Language (1970's commercial accounting machines) |
| BAL | Benguet Auto Line (bus company, Philippines) |
| BAL | Bus Arbitration Logic |
| BAL | Basic Aircraft Limits |