LBA or lba may refer to:
Science Live blood analysis, the observation of live blood cells through a dark field microscope Long branch attraction, an error in molecular phylogeny Ligand binding assay, an assay whose procedure relies on the binding of ligands to receptors, antibodies, and other macromolecules.
Technology Linear bounded automaton, a construct in computability theory Location-based advertising, a form of advertising in mobile telecommunications Logical block addressing, a method for specifying locations on computer storage devices
Transport Luftfahrt-Bundesamt, the national civil aviation authority of Germany Leeds Bradford Airport (IATA code: LBA), an airport in England
Sports Lega Basket Serie A, the top-tier level men's professional club basketball league in Italy. Libyan Olympic Committee (IOC code: LBA), the national Olympic committee of Libya
Other uses Ladakh Buddhist Association, a Buddhist organization in India Lairawn Baptist Association, a Baptist organization in Burma Late Bronze Age, an archaeological era Little Big Adventure, a 1994 video game Lui (ISO 639 code: lba), a variety of the Sak language of Bangladesh and Myanmar Letter before action, a letter stating a legal claim
See also Iba (disambiguation)