The Gray Man

Grey man, The Gray Man or The Grey Man may refer to:

Concepts

 * Grey man theory, a concept in everyday carry that one should blend in with the environment so as not to raise suspicion

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

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 titles

 * 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"