| RCMP | Royal Canadian Mounted Police |
| RCAF | Royal Canadian Air Force |
| SMT | Surface Mounted Technology |
| SMD | Surface Mounted Device |
| HMD | Head Mounted Device |
| PC | Police Constable |
| MP | Military Police[man] |
| LAPD | Los Angeles Police Department |
| OIPC | Organisation Internationale de Police Criminelle [Interpol] |
| ICPO | International Criminal Police Organization [Interpol] |
| O.P. | Open floating Policy [insurance] [offene oder laufende Police] |
| Can. Entomol. | Canadian Entomologist Zeitschrift |
| RF | Royal Family |
| RN | Royal Navy |
| CP | Canadian Press |
| CN | Canadian National Eisenbahngesellschaft |
| RS | Royal Society |
| RAF | Royal Air Force |
| H.R.H. | His Royal Highness |
| RA | Royal Academy |
| NI-EZG 232 | ET-Royal Fleischgroßhandels GmbH Ettlingen, Baden-Württemberg |
| CNA | Canadian Nuclear Association |
| CNC | Canadian National Collection |
| RAC | Royal Automobile Club |
| RAAF | Royal Australian Air Force |
| CNR | Canadian National Railways |
| CSA | Canadian Standards Association |
| CTV | Canadian Television Network erstes Privatfernsehen 1961 in Kanada |
| CTC | Canadian Transport Commission |
| FRS | Fellow of the Royal Society |
| RHS | Royal Horticultural Society |
| CAE | Canadian Aviation Electronics Saint-Laurent, [CDN], http://www.cae.com |
| Can. J. Microbiol. | Canadian Journal of Microbiology Zeitschrift |
| CAD | Canadian Dollar [engl.] Währungsbezeichnung nach ISO in Kanada |
| RSC | Royal Society of Chemistry |
| CanHRev | The Canadian Historical Review Zeitschrift |
| CAE | Canadian Army Europe |
| CBC | Canadian Broadcasting Corporation Toronto, http://www.cbc.ca |
| BW-EUZ 232 | ET-Royal Fleischgroßhandels GmbH Ettlingen, Baden-Württemberg |
| CPR | Canadian Pacific Railway |
| CCC | Canadian Committee on Cataloging |
| RMS | Royal Mail Ship Königliches Postschiff |
| CFL | Canadian Football League |
| TRHS | Transactions of the Royal Historical Society Zeitschrift |
| SH-EFB 031 | Royal Frysk Muscheln GmbH Emmelsbüll-Horsbüll, Schleswig-Holstein |
| CIPS | Canadian Information Processing Society |
| NI-EFB 102 | Royal Greenland Seafood GmbH Wilhelmshaven, Niedersachsen |
| Proc. R. Ir. Acad. | Proceedings of the Royal Irish Academy Zeitschrift |
| CEG | Canadian Exchange Group [engl.] Verbund kanadischer Börsen |
| CDN | Canadian Dominion, Kanada - Länderkürzel Internationales Kfz-Kennzeichen von Kanada |