Gagnon (surname)
Gagnon is a surname, and may refer to:
- André Gagnon, Canadian musician and composer
- André-Philippe Gagnon, Canadian comedian and impressionist
- Aurore Gagnon, victim of child abuse
- Christiane Gagnon, Canadian politician
- Clarence Gagnon, Canadian painter
- Dave Gagnon, Canadian ice hockey player
- Drew Gagnon, American baseball player
- Édouard Gagnon, Canadian Roman Catholic cardinal
- Gérard Gagnon, Canadian Redemptorist priest in Vietnam
- John Gagnon, pioneering sociologist
- Johnny Gagnon, Canadian ice hockey player
- Jonas Gagnon, American politician
- Louis-Philippe Gagnon, Canadian politician
- Marc Gagnon, Canadian short track speed skater
- Marcel Gagnon, Canadian politician
- Mariano Gagnon, American Roman Catholic priest and missionary
- Marie-Michèle Gagnon, Canadian alpine skier
- Monique Gagnon-Tremblay, Canadian politician
- Onésime Gagnon, Canadian politician and lieutenant-governor of Québec
- Patrick Gagnon, Canadian politician
- Philippe Gagnon, Canadian TV and film director
- Philippe Gagnon, Canadian Paralympic swimmer
- Philippe Gagnon, Canadian football player
- Pierce Gagnon, American child actor
- Pierre-Luc Gagnon, professional skateboarder
- Roy Gagnon, American football player
- Rene Gagnon, U.S. Marines in photograph Raising the Flag on Iwo Jima
- Robert A. J. Gagnon, New Testament scholar and author, with a focus on issues of human sexuality and the Bible
- Sébastien Gagnon, Canadian politician
