Grey man, The Gray Man or The Grey Man may refer to:
People The primary nickname of American serial killer Albert Fish A nickname of British Prime Minister John Major, known as the "grey man" of British politics "Grey man/woman", a term in survivalist terminology
Legendary or alleged people or entities The Gray Man (ghost), a historical ghost of Pawleys Island The Grey Man of Scottish folklore, also named Fear liath Grey alien, an alleged race of extraterrestrials
Fictional characters The Gray Man (The Hardy Boys), a character from the book series Gray Man (The Wheel of Time), a creature in the Wheel of Time novels
Film, television, and literature D.Gray-man, a 2004 manga and anime series The Gray Man, a series of spy novels by Mark Greaney The Gray Man (novel), a 2009 novel by Mark Greaney, first in the series of novels The Gray Man (2022 film), an American film based on the 2009 Mark Greaney novel The Gray Man (2002 film), an action film co-starring Angelo Fierro The Gray Man (2007 film), a biographical thriller starring Patrick Bauchau "The Grey Man", a season 6 episode of NCIS: Los Angeles A passage from a serial version of H. G. Wells' The Time Machine which was deleted from the book version, which was later published under the title "The Grey Man"