Guy Deleury (1932–1993) was a French politician, journalist, and businessman. Among writing on other subjects, he authored numerous books on the topic of the Knights Templar, including:
- *Les Templiers à l'épreuve* (1991)
- *Dictionnaire des Croisades* (2003)
- *Le dossier de l'Ordre du Temple : les Templiers et la Franc-maçonnerie, deux mille ans d'histoire occulte* (2010)