LBA is an initialism for the following:

• Louisiana Bankers Association
• Logical block addressing, a method for specifying locations on computer storage devices
• Latin Business Association
• the IATA airport code for the Leeds Bradford International Airport
• Luftfahrt-Bundesamt
• Large-scale biosphere-atmosphere experiment in Amazonia
• Liberty Basketball Association, a defunct women's pro basketball league
• Little Big Adventure, an adventure game
• Linear bounded automaton, a construct in computability theory
• Long branch attraction in molecular phylogeny
• LBA 4404, a type of agrobacterium for agrobacterium mediated transformation

LBA | LBA