| BAI | Antioxidant Infusion 
| Others |
| BAI | Bachelor of Electrical Engineering
| Others |
| BAI | Bachelor of Engineering (Arte Ingeniaria)
| Others |
| BAI | Bachelor of Mechanical Engineering
| Others |
| BAI | Backup Aircraft Inventory
| Others |
| BAI | Badminton Association of India
| Organization, Badminton |
| BAI | Bajaj Auto Indonesia
| Others |
| BAI | Balance After Insurance
| Others |
| BAI | Balanced Alarm Input
| Others |
| BAI | Bamileke Languages
| Others |
| BAI | Banco Angolano de Investimentos
| Others |
| BAI | Bank Administration Institute
| Others |
| BAI | Barometric Altitude Indicator
| Others |
| BAI | Basal Area Increment
| Others |
| BAI | Battlefield Air Interdiction
| Others |
| BAI | Beck Anxiety Inventory
| Others |
| BAI | Bishoftu Automotive Industry
| Others |
| BAI | Blazosky Associates Inc
| Others |
| BAI | Body Adiposity Index
| Others |
| BAI | Brands As Investor
| Others |
| BAI | Breath Actuated Inhaler
| Others |
| BAI | Brief Alcohol Intervention
| Others |
| BAI | Broadband Air Interface
| Others |
| BAI | Broadcast Authority of Ireland
| Others |
| BAI | Broadcasting Authority of Ireland
| Others |
| BAI | Brussels Art Institute
| Others |
| BAI | Buenos Aires, Costa Rica
| Others |
| BAI | Bureau des Avocats Internationaux
| Others |
| BAI | Bureau of Animal Industry
| Others |