| BLA | Bachelor of Landscape Architecture
| Others |
| BLA | Bachelor of Liberal Arts
| Others |
| BLA | Back Lock Angle
| Others |
| BLA | Bahia de Los Angeles
| Others |
| BLA | Balochistan (Baloch) Liberation Army 
| Military, Organization |
| BLA | Baltimore and Annapolis Railroad
| Others |
| BLA | Barcelona, Venezuela
| Others |
| BLA | Basic Linear Algebra
| Others |
| BLA | Bathyergid Leucocyte Antigen
| Others |
| BLA | Beloit Learning Academy
| Others |
| BLA | Best Language Academy
| Others |
| BLA | Best Level Award
| Others |
| BLA | Bhai Log Association
| Others |
| BLA | Bicycle Lane Ahead
| Others |
| BLA | Big Local App
| Others |
| BLA | Biologic License Application
| Others |
| BLA | Biologics License Application
| Others |
| BLA | biologics license application (FDA)
| Others |
| BLA | Biologics License Applications
| Others |
| BLA | Biologics Licensing Application
| Others |
| BLA | Black Lawyers Association
| Others |
| BLA | Blocking Acknowledgement
| Others |
| BLA | Boating Lifestyle Adventure
| Others |
| BLA | Bond Ledger Account
| Others |
| BLA | Bond Length Alternation
| Others |
| BLA | Boring Lame Annoying
| Others |
| BLA | Boston Latin Academy
| Others |
| BLA | Brigade Logistic Area
| Others |
| BLA | Bring Lizards Alive
| Others |
| BLA | British Legal Association
| Others |
| BLA | British Liberation Army
| Others |
| BLA | Brunch Line Assembly
| Others |
| BLA | Buddy Lee Attractions
| Others |
| BLA | Buffalo Lacrosse Academy
| Others |
| BLA | Buffy Loves Angel
| Others |
| BLA | Business Licensing Authority
| Others |
| BLA | Siksika
| Others |