Guy Gardner may refer to:
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Guy Gardner (astronaut) (born 1948), United States Air Force officer and former astronaut
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Guy Gardner (character)
Guy Darrin Gardner, one of the characters known as Green Lantern, is a superhero appearing in American comic books published by DC Comics, usually in association with the Green Lantern Corps, of which he is a member. Gardner has also been a member ...
, DC Comics character who primarily operates as a Green Lantern
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Guy B. Gardner (1920–1980), head football coach for the Howard Payne University Yellow Jackets
{{hndis, name = Gardner, Guy