George James Lambert (17 December 1900 – 13 September 1971) was an English baritone and voice teacher who was primarily active in Canada.
Following World War I, he studied singing in his native country with Frederic Lord while concurrently playing soccer professionally.
He made his professional opera debut in Rome soon after as Giorgio Germont in Giuseppe Verdi's La Traviata.
One of his final performances was as Cathva in the world premiere Healey Willan's opera Deirdre which was broadcast live on CBC Radio on 20 April 1946.
A large number of his pupils have had successful singing careers, including Léonard Bilodeau, Jean Bonhomme, Pierre Boutet, Victor Braun, John Dodington, Audrey Farnell, Don Garrard, Robert Goulet, Doreen Hume, Gwenlynn Little, Phyllis Mailing, Ermanno Mauro, Joan Maxwell, David Mills, Peter Milne, Bernard Turgeon, Jon Vickers, Alan Woodrow, and Lesia Zubrack Romanoff.