| BETA | Baby Evil Tryout Application 
| Others |
| BETA | Battlefield Evaluation and Target Acquisition
| Others |
| BETA | Battlefield Exploitation Target Acquisition
| Others |
| BETA | Beginning Employment Training For Adulthood
| Others |
| BETA | Beginning Estimated Time of Arrival
| Others |
| BETA | Behavioral Evaluation and Threat Assessment
| Others |
| BETA | Beirut for the Ethical Treatment of Animals
| Others |
| BETA | Below Effective Thrust Angle
| Others |
| BETA | Beta Email Tracking Application
| Others |
| BETA | Betalight Electromagnetic Technology Applications
| Others |
| Beta | Better
| Others |
| BETA | Better Ease To Add
| Others |
| BETA | Better Education Through Achievement
| Others |
| BETA | Better Education Through Alcohol
| Others |
| BETA | Better Education Through Arts
| Others |
| BETA | Better Excellence Through Addition
| Others |
| BETA | Beware Everyone Trapped At
| Others |
| BETA | Binding and Expression Target Analysis
| Others |
| BETA | Bio-informatics Empirical Theoretical Algorithmics
| Others |
| BETA | Biodiversity Education Through Action
| Others |
| BETA | Birth Education Training And Acceptance
| Others |
| BETA | British Equestrian Trade Association
| Others |
| BETA | Broadband Experimental Terascale Access
| Others |
| BETA | Broadcasting and Entertainment Trades Alliance
| Others |
| BETA | Buggiest Experience To All
| Others |
| BETA | Build Engineer Tinker Adapt
| Others |
| BETA | Built Especially To Annoy
| Others |
| BETA | Bulletin of Experimental Treatments for AIDS
| Others |
| BETA | Business Economics Technology Academy
| Others |
| BETA | Business Excellence Through Action
| Others |
| BETA | But Except Than As
| Others |