Lagrange is the name of some places in the United States of America:
- Lagrange, Indiana
- Lagrange, Maine
- Lagrange, New York (two places):
- in Orange County
- in Wyoming County
- Lagrange, Ohio
- Lagrange, Virginia
- Lagrange, Wyoming (Note: The United States Postal Service spells it this way. The official spelling of the town is LaGrange.)
- Lagrange County, Indiana
- Lagrange, Landes is a commune in the Landes département of France.
Joseph Louis Lagrange was a famous mathematician and physicist.
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