Biot or BIOT may refer to:

  • Biot, Alpes-Maritimes, a commune in France
  • Biot (crater), a lunar crater
  • British Indian Ocean Territory
  • Camille Biot (1850-1918), French physician
    • Biot's breathing refers to an abnormal pattern of breathing characterized by groups of quick, shallow inspirations followed by regular or irregular periods of apnea.
  • Jean-Baptiste Biot (1774–1862), French physicist and mathematician
    • Biot number, a dimensionless number used in heat transfer calculations
    • Another name for the abampere, a unit of current, named after him
  • Maurice Anthony Biot (1905–1985), Belgian-American physicist
  • Biological robot, a term used in the novel Rendezvous with Rama and its sequels, and later adopted by the authors of The New Jedi Order; see also Cyborg
  • Biological Optical Transputer Systems, robots in the Phantom 2040 animated series
  • Biot, a fictional world in the DC Comics universe; see Manhunters (comics)