LBD may refer to:
Arts and entertainment The Lizzie Bennet Diaries, a web series retelling of Pride and Prejudice LBD teen books by Grace Dent
Education Learning by doing, a general concept of improving performance as the accumulated amount of work in some field increases Learning disability, frequently referred to as LBD (learning behavior disorder) by educators and workers in special education fields Literature-based discovery, a form of knowledge extraction and automated hypothesis generation
Science and mathematics Lanczos bidiagonalization (Lanczos algorithm) in linear algebra Lewy body dementia, an umbrella term for dementia with Lewy bodies and Parkinson's disease dementia Ligand binding domain, in molecular biology, part of the structure of a nuclear receptor Literature-based discovery, a form of knowledge extraction and automated hypothesis generation
Transport IATA airport code for Khudzhand Airport, Tajikistan MRT station abbreviation for Labrador Park MRT station, Singapore
Weaponry LBD-1 Gargoyle, a surface-to-air missile Lanceur de balle de défense, French designation for flash-ball, a less lethal law enforcement weapon
Other uses Lafayette Brawlin' Dolls, a roller derby league in Indiana, United States Lesbian bed death, a concept proposed by sexologist Pepper Schwartz London Beth Din, a religious court of Ashkenazi Jews Little black dress, a semi-formal women's garment