Guy Bertrand may refer to: Guy Bertrand (actor), played in The Crimson Permanent Assurance, a Monty Python film episode Guy Bertrand (broadcaster) (born 1954), French Canadian linguist and radio/TV personality Guy Bertrand (chemist) (born 1952), professor at UC San Diego and carbene specialist Guy Bertrand (lawyer), Québec lawyer and political activist Guy Bertrand (musician) plays the music of Limousin Guy Bertrand (1881–?), son of Edith Peers-Williams and George Spencer-Churchill, 8th Duke of Marlborough