Colley is a surname, which can be of English, Scottish or Irish origins. The English origins of the surname can be traced to Yorkshire, where the names containing the root 'Col' were a common derivative of the given name Nicholas. Notable people with the surname include:
Anne Colley, Irish politicianDavid Colley, Australian cricketerGeorge Colley, Irish politicianGeorge Pomeroy Colley, British GeneralHarold John Colley, British soldierHenry Colley (disambiguation), multiple peopleJohn Edward Colley (born 1948), original name of John Ford Coley, American pianistKenneth Colley, British actorKevin Colley, American ice hockey playerLinda Colley, British historianMichael Colley (1938-2013), American vice-admiralRandy Colley, wrestlerRichard Colley, British rugby league footballerRichard Bowen Colley (1819–1875), first mayor of Glenelg, South AustraliaRobert Colley, New Zealand boxerRussell Colley, engineer, early spacesuit creatorSamuel Colley, American politicianSarah Ophelia Colley Cannon or Minnie Pearl (1912-1996), American country comedianScott Colley, jazz bassistThomas Colley MPThomas Colley, 18th century Herefordshire gentryWilliam Dixon Colley, Gambian journalist