| Acronym | Definition |
|---|
| LBA | Leeds Bradford Airport (UK) |
| LBA | Logical Block Addressing (PC BIOS Mode) |
| LBA | Low Back Ache |
| LBA | Long Beach Airport (California) |
| LBA | Large-Scale Biosphere-Atmosphere experiment in Amazonia |
| LBA | Location-Based Advertising |
| LBA | Low Band Antenna |
| LBA | Linear Block Allocation |
| LBA | Large Block Addressing |
| LBA | Loopback Activate |
| LBA | Local Business Ads |
| LBA | Linux Business Alliance |
| LBA | Logical Block Addressing |
| LBA | Luftfahrt-Bundesamt (German Civil Aviation Authority) |
| LBA | Little Big Adventure (game) |
| LBA | Levend Bloed Analyse (Dutch: Live Blood Analysis) |
| LBA | London Business Angels (investing; UK) |
| LBA | Latin Builders Association |
| LBA | Letter before Action (debt collection; UK) |
| LBA | Local Bank Account |
| LBA | Ligand Binding Assay |
| LBA | Linear-Bounded Automaton |
| LBA | Location-Based Applications (workshop) |
| LBA | Laurelbrook Academy (Dayton, TN) |
| LBA | Local Business Ad |
| LBA | Lease by Application (type of sale) |
| LBA | Leeds/Bradford, England, United Kingdom (Airport Code) |
| LBA | Lens Buying Addiction |
| LBA | Land Based Activity (UN) |
| LBA | Longbow Apache |
| LBA | La Banque Audiovisuelle (French: Audiovisual Bank) |
| LBA | Logical Block Access |
| LBA | Larry Blumberg Associates (Dothan, AL) |
| LBA | Lens Buyers Anonymous |
| LBA | London Boroughs Association |
| LBA | Load Balancing Advisor |
| LBA | Large Block Allocation (Radio) |
| LBA | Lower Body Adiposity |
| LBA | Lieutenant's Benevolent Association |
| LBA | Lambda Biotechnology Association |
| LBA | Latin Business Association Inc. |
| LBA | Loudoun Beekeepers Association (Purcellville, VA) |
| LBA | Lower Band Array |
| LBA | Limited by Airframe (flight test envelope) |
| LBA | Lee-Brickell Cryptographic Attack |