Giroux is a French surname. Notable people with the surname include:
Alexandre Giroux, Canadian ice hockey player
André Giroux (painter), French photographer and painter
André Giroux (writer), Canadian writer
Art Giroux, Canadian ice hockey player
Auguste Giroux, French rugby union player
Claude Giroux, Canadian ice hockey player
Claude Giroux (wrestler), Canadian midget wrestler
E. X. Giroux, the pseudonym of Canadian writer Doris Shannon
Emmanuel Giroux (born 1961), French mathematician
Henry Giroux (born 1943), American-Canadian scholar
Julie Giroux (born 1961), American female composer
Larry Giroux, Canadian ice hockey player
Lionel Giroux, Canadian midget wrestler
Maxime Giroux, Canadian film director
Pierre Giroux, Canadian ice hockey player
Ray Giroux, Canadian ice hockey player
Robert Giroux (1914–2008), American editor and publisher
Roger Giroux (1925–1974), French poet
Valéry Giroux (born 1974), Canadian philosopher, lawyer and animal rights activist