Longchamp (or Longchamps) usually refers to the Longchamp Racecourse in Paris or the Longchamp Palace in Marseille. It may also refer to:
Companies
- Longchamp (company), a French leather goods company, founded in 1948
- Longchamps (glassware), a US brand of French glassware maker Arc International
- Longchamps (chain of restaurants), a 20th-century restaurant chain in New York City
Place name
Argentina
- Longchamps, Buenos Aires, a city in Greater Buenos Aires, Argentina
Belgium
- Longchamps, Éghezée, a village in Namur province
- Longchamps, Luxembourg, a village in Luxembourg province
France
- Longchamp, Côte-d'Or, in the Côte-d'Or department
- Longchamp, Haute-Marne, in the Haute-Marne department
- Longchamp, Vosges, in the Vosges department
- Longchamp-sous-Châtenois, in the Vosges department
- Longchamp-sur-Aujon, in the Aube department
- Longchamps, Eure, in the Eure department
- Longchamps-sur-Aire, in the Meuse department
- Abbey of Longchamp, a former abbey in the Bois de Boulogne west of Paris
- Longchamp Racecourse (Hippodrome de Longchamp) in the Bois de Boulogne west of Paris (on the site of the former abbey)
- Longchamp Palace, a palatial monument in Marseille
Surname
- William de Longchamp (fl. 1189–1197), Chancellor of England
- Edmond de Sélys Longchamps (1813–1900), Belgian politician and scientist
- Gaston Albert Gohierre de Longchamps (1842–1906), French mathematician
- Jean de Selys Longchamps (31 May 1912 – 16 August 1943), Belgian aristocrat and RAF fighter pilot during World War II
Other uses
- De Tomaso Longchamp, a two-door 2+2 coupe/cabriolet