Edmund Boyd Osler (21 August 1919 – 1 April 1987) was a Canadian politician and Liberal member of the House of Commons of Canada.

He was born in Winnipeg in 1919 and graduated from the Royal Military College of Canada in Kingston, Ontario in 1937.

He served as a Royal Canadian Air Force sergeant pilot and was promoted to squadron leader from 1940 to 1945.

Osler left Parliament after his defeat in the 1972 election to A. Daniel McKenzie of the Progressive Conservative party.

E. B. Osler was the author of A Light in the Wilderness (1953) and The Man Who had to Hang Louis Riel (1961) and La Salle (1967).