Sir Gilbert de la Haye (died April 1333), 5th feudal baron of Errol in Gowrie, was Lord High Constable of Scotland from 1309 (hereditary in 1314).
He was a supporter of King Robert I of Scotland and commanded his bodyguard at the battle of Methven in 1306, and fought at the Battle of Bannockburn (1314), following which he went as an Ambassador to England to negotiate a truce.
Robert the Bruce granted him the lands of Slains, Aberdeenshire.
He signed the Declaration of Arbroath.
His son, Nicholas de la Haye, fell at the battle of Dupplin Moor (1332) fighting Edward Balliol, leaving as his successor the Constable's grandson, Sir David de la Hay 6th feudal baron of Erroll.