Décarie or Decarie is a surname. Notable people with the surname include:

Ed Decarie, Canadian ice hockey player Daniel-Jérémie Décarie (1836–1904), Canadian politician Jérémie-Louis Décarie (1870–1927), Canadian lawyer, politician, and judge in the province of Quebec Richard Décarie, Canadian Strategy Communication Consultant Vianney Décarie (1917–2009), Canadian philosopher

See also Décarie Autoroute, the section of Quebec Autoroute 15 between Turcot Interchange and Décarie Interchange on the Island of Montreal Décarie Interchange, an expressway interchange on the Island of Montreal