Legendre, LeGendre or Le Gendre is a French surname. It may refer to:

• Adrien-Marie Legendre (1752–1833), French mathematician
  • Associated Legendre polynomials
  • Legendre's equation
  • Legendre polynomials
  • Legendre symbol
  • Legendre transformation
  • Legendre (crater), a lunar impact crater located near the eastern limb of the Moon
  • 26950 Legendre, a main-belt asteroid discovered on May 11, 1997
• Anne Legendre Armstrong (1927–2008), United States diplomat and politician
• Charles Le Gendre (1830–1899), French-born American general and diplomat
• François Legendre (1763–1853), surveyor, seigneur and political figure in Lower Canada
• Géraldine Legendre (born 1953), French-American cognitive scientist and linguist
• Gertrude Sanford Legendre (1902–2000), American socialite who served as a spy during World War II
• Jacques Legendre (disambiguation), several people
• Kevin Le Gendre, British journalist and broadcaster

• Louis Legendre (1752–1797), French politician of the Revolution period
• Louis Legendre (oceanographer), Canadian oceanographer
• Pierre Legendre (historian) (born 1930), French historian of law and psychoanalyst
• Pierre Legendre (ecologist), Canadian numerical ecologist
• Richard Legendre (born 1953), former professional tennis player and a Quebec politician
• Robert LeGendre (1898–1931), American athlete

This disambiguation page lists articles associated with the title Legendre.
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