Foucault may refer to:

  • Foucault (surname)
  • Léon Foucault (1819–1868), French physicist. Three notable objects were named after him:
  • Foucault (crater), a small lunar impact crater
  • 5668 Foucault, an asteroid
  • Foucault pendulum
  • Michel Foucault (1926–1984), French philosopher
  • Foucault (Deleuze book) (1986), a book about the French philosopher by Gilles Deleuze
  • Foucault (Merquior book) (1985), a book about the French philosopher by J. G. Merquior

See also

  • Foucault's Pendulum (1988), a novel by Umberto Eco
  • Charles de Foucauld, explorer of Morocco, Catholic religious and priest