Mab, Mabs or MAB may refer to:
Fictional or legendary persons
- Queen Mab, a fairy in English literature
- Mab Darogan, in Welsh legend
In science and technology
- Mab (moon) of Uranus
- Monoclonal antibody (mAb)
- mAbs (journal), on antibody research
- Multi-armed bandit, a problem in probability theory
In business
- MAB Corporation, an Australian property company
- MAB Paints, US, 1899–2007
- Malaysia Airlines, known as MAB (for Malaysia Airlines Berhad).
- Malicet et Blin aka M.A.B., French manufacturer of bicycles, etc., 1890–925
- Manufacture d'armes de Bayonne, a French pistol manufacturer
- Mercado Alternativo Bursátil, Spain's alternative stock market
- Mabuhay Gardens, a nightclub in San Francisco, US
Organizations
- Metropolitan Asylums Board, London, dealing with the poor until 1930
- Metric Advisory Board, for metrication in New Zealand
- Movimento dos Atingidos por Barragens, a Brazilian political organization
- Muslim Association of Britain
People
- Mab Segrest (born 1949), American writer
- James Mabbe or Mab (1572–1642), English poet
- Marco Antonio Barrera (born 1974), Mexican retired boxer
- Michael Angelo Batio (born 1956), American guitarist
- Marc-André Bergeron (born 1980), ice hockey player
- Mabel Besant-Scott or "Mabs" (1870–1952), a theosophist
Other uses
- Man and the Biosphere Programme, launched in 1971 by UNESCO
- Medical Affairs Bureau, Taiwan
- Beretta Model 38 (MAB 38), World War II Italian submachine gun
- Medical ambulance bus
- Multi-author blog
- mab, ISO 639-3 code for the Yutanduchi variety of the Mitlatongo-Yutanduchi Mixtec language of Mexico
See also
- Mabb., author abbreviation for British botanist David John Mabberley (b. 1948)
- Henry Mabb (1872–1961), British-born Canadian politician