- Royal Commission on Publications
- Royal Commission on Taxation
- Royal Commission on the Non-medical Use of Drugs
- Royal Commission on the Status of Women in Canada
- Royal Commission on Transportation
- Royal Commissions
- Royal Conservatory of Music
- Royal Conservatory of Music
- Royal Family
- Royal Flying Corps
- Royal Hamilton College of Music
- Royal Hamilton Light Infantry Band
- Royal Military College of Canada
- Royal-Montreal Bank Merger
- Canadians in the Royal Naval Air Service