Delage was a French automobile manufacturer

Delage or Delâge may also refer to:

• Cyrille-Fraser Delâge (1869–1957), Quebec politician
• Guy Delage, French swimmer who claimed to have crossed the Atlantic solo
• Louis Delâge (1874–1947), French automobile engineer and manufacturer
• Maurice Delage (1879–1961) French composer and pianist
• Mickaël Delage (b. 1985), French professional cyclist
• Pierre Delage (1887–1918), French aviator
• Yves Delage (1854–1920), French zoologist

• Delage (band), a British girl pop group in the 1990s
• Lac-Delage, Quebec, a town and lake in Canada
• Nieuport-Delage, a French aeroplane manufacturing company

• Delarge (disambiguation)