Best known as Gilderoy (executed 1636) or Gilroy, Patrick McGregor (Scottish Gaelic: Pàdraig MacGriogair) was a Scottish cattle raider and extortionist active in the lands of Strathspey, Braemar, Cromarty, and other areas in the vicinity of Aberdeen during the reign of Charles I (1600–1649). He is remembered in published stories, Scottish ballads, tunes, popular expressions, etc. Various other renderings of his name exist such as Gilder Roy and Gilleroy.