| RAF | Royal Air Force |
| RAAF | Royal Australian Air Force |
| RCAF | Royal Canadian Air Force |
| RR | Royal Air Force [IATA-Airline-Code / Vereinigtes Königreich] |
| HZ | Historische Zeitschrift Fachzeitschrift |
| HV | Historische Vierteljahresschrift Zeitschrift |
| HiKo | Historische Kommission |
| HA | Historische Anthropologie Zeitschrift |
| HVjS | Historische Vierteljahresschrift |
| ZHF | Zeitschrift für historische Forschung Zeitschrift |
| AHE | Arbeitsgemeinschaft Historische Eisenbahn e.V. auch als Almetalbahn bekannt |
| RömHM | Römische Historische Mitteilungen Zeitschrift |
| RA | Royal Academy |
| H.R.H. | His Royal Highness |
| RF | Royal Family |
| RN | Royal Navy |
| RS | Royal Society |
| FRS | Fellow of the Royal Society |
| RSC | Royal Society of Chemistry |
| RHS | Royal Horticultural Society |
| NI-EZG 232 | ET-Royal Fleischgroßhandels GmbH Ettlingen, Baden-Württemberg |
| RAC | Royal Automobile Club |
| RMS | Royal Mail Ship Königliches Postschiff |
| BW-EUZ 232 | ET-Royal Fleischgroßhandels GmbH Ettlingen, Baden-Württemberg |
| NI-EFB 102 | Royal Greenland Seafood GmbH Wilhelmshaven, Niedersachsen |
| RCMP | Royal Canadian Mounted Police |
| TRHS | Transactions of the Royal Historical Society Zeitschrift |
| RACI | Royal Australian Chemical Institute |
| SH-EFB 031 | Royal Frysk Muscheln GmbH Emmelsbüll-Horsbüll, Schleswig-Holstein |
| Proc. R. Ir. Acad. | Proceedings of the Royal Irish Academy Zeitschrift |
| RSPCWS | Royal Society for the Prevention of Cruelties to Web Surfers |
| Philos. Trans. R. Soc. Lond. | Philosophical Transactions of the Royal Society of London Zeitschrift |
| RSPBA | Royal Scottish Pipe Band Association |
| RNARS | Royal Navy Amateur Radio Society |
| VJ | Royal Air Cambodge [IATA-Airline-Code / Kambodscha] |
| Trans. R. Soc. Edinb., Earth Sci. | Transactions of the Royal Society of Edinburgh, Earth Sciences Zeitschrift |
| J. R. Stat. Soc. | Journal of the Royal Statistical Society [hat ein eigenes Review] Zeitschrift |
| HT | Royal Airways [IATA-Airline-Code/ Indien] |
| KLM | Koninklijke Luchtvaart Maatschappij [Royal Dutch Airlines] Amstelveen, http://www.klm.com |
| AT | Royal Air Maroc [IATA-Airline-Code/ Marokko] |
| RIIA | Royal Institute of International Affairs [Chatham House] London, http://www.riia.org |
| FE | Royal Khmer Airlines [IATA-Airline-Code/ Kambodscha] |
| RJ | Royal Jordanian / Alia [IATA-Airline-Code / Jordanien] |
| WR | Royal Tongan Airlines [IATA-Airline-Code / Tonga] |
| KL | KLM - Royal Dutch Airlines [IATA-Airline-Code/ Niederlande] |
| RL | Royal Phnom Penh Airways [IATA-Airline-Code / Kambodscha] |
| USAF | US Air Force |
| RIF | Reduction In Force |
| KFOR | Kosovo Force |
| PMF | Potential of Mean Force |