- Royal Commission on Inquiry Into Certain Activities of the Royal Canadian Mounted Police
- Royal Commission on Patents, Copyright and Industrial Designs
- 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