Lagrange may mean:

• Joseph Louis Lagrange, mathematician and mathematical physicist
• A Lagrange point in physics and astronomy
• The Lagrange_Multiplier mathematical technique

Places in the United States: Joseph Louis Lagrange Joseph Louis Lagrange (January 25, 1736 – April 10, 1813) was an Italian mathematician and astronomer who later lived in France and Prussia. ... In celestial mechanics, the Lagrangian points, (also Lagrange point, L-point, or libration point) are the five stationary solutions of the circular restricted three-body problem. ... In mathematical optimization problems, Lagrange multipliers are a method for dealing with constraints. ...

• Lagrange, Georgia
• Lagrange, Indiana
• Lagrange, Maine
• Lagrange, New York (three places):
  • Lagrange, Dutchess County
  • Lagrange, Orange County
  • Lagrange, Wyoming County
• Lagrange, Ohio
• Lagrange, Virginia
• La Grange, Wyoming (spelled by the U.S. Postal Service as "Lagrange")
• Lagrange County, Indiana

Communes in France: LaGrange is a city located in Troup County, Georgia. ... Lagrange is a town located in LaGrange County, Indiana. ... Lagrange is a town located in Penobscot County, Maine. ... LaGrange is a town located in Dutchess County, New York. ... Lagrange is a village located in Lorain County, Ohio. ... La Grange is a town located in Goshen County, Wyoming. ... A USPS truck in San Francisco A smaller truck used in suburban areas This article describes the United States Postal Service. ... LaGrange County is a county located in the state of Indiana. ...

• Lagrange, in the Hautes-Pyrénées département
• Lagrange, in the Landes département
• Lagrange, in the Territoire de Belfort département

See also: Hautes-Pyrénées is a département in southwestern France. ... The départements (or departments) are administrative units of France, roughly analogous to British counties. ... Landes is a département in southern France. ... The Territoire de Belfort is a département in the Franche-Comté région of eastern France. ...

• LaGrange
• La Grange