Lad or lads may refer to:

• Lad, a term for a boy or young man
• Lad culture, a British subculture

• Lad (video game), 2012 iOS game
• Lad, A Dog, a collection of short stories by Albert Payson Terhune
• The Lads, a New Zealand Christian rock-pop band
• Zeus and Apollo, two Doberman Pinschers appearing in the Magnum, P.I. TV series and its remake

• Lad, Bhiwani, Haryana, India
• Ląd, Greater Poland Voivodeship, Poland
• Lad, Hungary, a village in Hungary

LAD is a three-letter abbreviation that may refer to:

• Lietuvos apsaugos dalys, a term for Lithuanian Auxiliary Police battalions
• Light Aid Detachment, a subunit in some Commonwealth army engineer corps
• Los Angeles Dodgers, a Californian baseball team, which played in Brooklyn prior to 1958
• Lycée Alexandre Dumas, a school in Haiti
• Laboratoire suisse d'analyse du dopage, French name of the Swiss Laboratory for Doping Analyses
• Local authority district, a type of local government area in the United Kingdom

• Lamina-associating domains, regions of the chromosome that interact with the nuclear lamina; see Nuclear organization § Lamina-associating domains and nucleolar-associating domains
• Language acquisition device, part of the human brain structure as proposed by Noam Chomsky
• Least absolute deviations, a mathematical optimization technique
• Left anterior descending artery, a coronary artery branch
• Left axis deviation, a condition in electrocardiography
• Leukocyte adhesion deficiency
• Locally advanced disease, a stage in cancer staging
• Lymphadenopathy
• Lysergic acid diethylamide, commonly known as LSD

• LAD, the national rail station code for Ladywell railway station in Ladywell, London
• LAD, the IATA airport code for Quatro de Fevereiro Airport in Luanda, Angola

• lad, the ISO 639 alpha-2 for Judaeo-Spanish or Ladino language
• Laboratory aim density, a system in motion picture printmaking; see China Girl (filmmaking)
• Land assembly district, a proposed legal regime for assembling land
• Like a Dragon, a series of video games by Sega, also known as Yakuza outside Japan

• Ladd (disambiguation)