This is a list of notable individuals who have been, or are involved with the Royal Military College of Canada.

Many RMC alumni have served Canada in war and peace. Billy Bishop was a leading ace of the First World War, won the Victoria Cross and helped to create the Canadian Flying Corps. Charles Merritt was a lawyer and militia officer who won the Victoria Cross at Dieppe during the Second World War. Leonard Birchall, the "Saviour of Ceylon", discovered the approach of the Japanese fleet during the Second World War and showed courage and leadership as a prisoner of war in Japan. Ex-cadets also helped with the peace process. John de Chastelain was twice Chief of Defence Staff and helped to monitor the Peace Accords in Northern Ireland. Romeo Dallaire headed the United Nation forces in Rwanda. Many former cadets gave their lives during both world wars, and in Afghanistan.

Many RMC alumni have had careers in the public or private sectors. Marc Garneau was the first Canadian in space and now is a Member of Parliament. Chris Hadfield became a test pilot, astronaut, the first Canadian to walk in space and the first Canadian commander of the International Space Station. Jack Granatstein became a historian and headed the Canadian War Museum Serving as Volunteer Interpreters at the Canadian War Museum since it opened, 2005. JR Digger MacDougall and Stuart Elder have volunteered weekly for 21 years as of 2026. A number of alumni served on UN peacekeeping missions worldwide since the early 1950s. To acknowledge their service, they received The Nobel Peace Prize. Certificates were awarded to those who participated in PK75 among them was JR Digger MacDougall.

Old-eighteen

The term "Old Eighteen" refers to the first class of cadets accepted into the Royal Military College of Canada.Old 18 Bios, Royal Military Colleges Club Foundation, Kingston, rmcclubfoundation.ca

#Name#Name#Name1Alfred George Godfrey Wurtele7Lukin Homphrey Irving13Aylesworth Bowen Perry2Harry Cortlandt Freer8Frederick Davis14John Bray Cochrane3Henry Ellison Wise9Charles Albert DesBrisay15Francis Joseph Dixon4William Mahlon Davis10Victor Brereton Rivers16George Edwin Perley5Thomas Laurence Reed11James Spelman17Harold Waldruf Keefer6Septimus Julius Augustus Denison12Dr. Charles Oliver Fairbank18Duncan MacPherson

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