| R of O |
Reserve of Officers |
| R&D |
Research and Development |
| (R) |
Reserve |
| RA |
Royal (Regiment of) Artillery; Royal Academician |
| RAA |
Regional Arts Association; Royal Australian Artillery |
| RAAF |
Royal Auxillary Air Force; Royal Australian Air Force |
| RAAMC |
Royal Australian Army Medical Corps |
| RAC |
Royal Armoured Corps; Royal Automobile Club; Royal Agricultural College |
| RACGP |
Royal-Australian College of General Practitioners |
| RACP |
Royal Australasian College of Physicians |
| RADA |
Royal Academy of Dramatic Art |
| RAE |
Royal Australian Engineers; Royal Aerospace Establishment (formerly Royal Aircraft Establishment) |
| RAEC |
Royal Army Educational Corps |
| RAeS |
Royal Aeronautical Society |
| RAF |
Royal Air Force |
| RAFA |
Royal Air Force Association |
| RAFO |
Reserve of Air Force Officers |
| RAFVR |
Royal Air Force Volunteer Reserve |
| RAI |
Royal Anthropological Institute of Great Britain and Ireland; Radio-Audizioni Italiane |
| RAIC |
Royal Architectural Institute of Canada |
| RAM |
(Member of) Royal Academy of Music |
| RAMC |
Royal Army Medical Corps |
| RAN |
Royal Australian Navy |
| RANR |
Royal Australian Naval Reserve |
| RANVR |
Royal Australian Naval Volunteer Reserve |
| RAOC |
Royal Army Ordnance Corps |
| RAPC |
Royal Army Pay Corps |
| RARO |
Regular Army Reserve of Officers |
| RAS |
Royal Astronomical Society; Royal Asiatic Society; Recruitment and Assessment Services |
| RASC |
Royal Army Service Corps |
| RASE |
Royal Agricultural Society of England |
| RAuxAF |
Royal Auxiliary Air Force |
| RAVC |
Royal Army Veterinary Corps |
| RB |
Rifle Brigade |
| RBA |
Member, Royal Society of British Artists |
| RBL |
Royal British Legion |
| RBS |
Royal Society of British Sculptors |
| RC |
Roman Catholic |
| RCA |
Royal College of Art; Royal Company of Archers; Member, Royal Canadian Academy of Arts; (Member of) Royal Cambrian Academy |
| RCAF |
Royal Canadian Air Force |
| RCAS |
Royal Central Asian Society |
| RCDS |
Royal College of Defence Studies |
| RCEME |
Royal Canadian Electrical and Mechanical Engineers |
| RCHA |
Royal Canadian Horse Artillery |
| RCHM |
Royal Commission on Historical Monuments |
| RCM |
(Member of) Royal College of Music |
| RCN |
Royal Canadian Navy; Royal College of Nursing |
| RCNR |
Royal Canadian Naval Reserve |
| RCNVR |
Royal Canadian Naval Volunteer Reserve |
| RCOG |
Royal College of Obstetricians and Gynaecologists |
| RCP |
Royal College of Physicians, London |
| RCPath |
Royal College of Pathologists |
| RCPSG |
Royal College of Physicians and Surgeons of Glasgow |
| RCPsych |
Royal College of Psychiatrists |
| RCS |
Royal College of Surgeons of England; Royal Corps of Signals; Royal College of Science |
| RCSI |
Royal College of Surgeons in Ireland |
| RCT |
Royal Corps of Transport |
| RCVS |
Royal College of Veterinary Science; Royal College of Veterinary Surgeons |
| RD |
Rural Dean; Royal Naval and Royal Marine Forces Reserve Decoration |
| RDC |
Rural District Council |
| RDI |
Royal Designer for Industry (Royal Society of Arts) |
| RDS |
Royal Dublin Society |
| RE |
Royal Engineers; Fellow, Royal Society of Painter-Printmakers (formerly of Painter-Etchers and Engravers); Religious Education |
| REACH |
Retired Executives Action Clearing House |
| recd |
received |
| REconS |
Royal Economic Society |
| Regnl |
Regional |
| Regt |
Regiment |
| rels |
relations |
| REME |
Royal Electrical and Mechanical Engineers |
| Renfrews |
Renfrewshire |
| Rep/rep |
Representative/representative |
| Res |
Resident; Resigned; Reserve; Research |
| ret |
retired |
| Rev |
Reverend; Review |
| RFA |
Royal Field Artillery; Royal Fleet Auxiliary |
| RFC |
Royal Flying Corps; Rugby Football Club |
| RFD |
Reserve Force Decoration |
| RFU |
Rugby Football Union |
| RGA |
Royal Garrison Artillery |
| RGI |
Royal Glasgow Institute of the Fine Arts |
| RGJ |
Royal Green jackets |
| RGN |
Registered General Nurse |
| RGS |
Royal Geographical Society |
| RHA |
Royal Horse Artillery; Royal Hibernian Academy; Regional Health Authority |
| RHAS |
Royal Highland and Agricultural Society of Scotland |
| RHBNC |
Royal Holloway and Bedford New College, London |
| RHF |
Royal Highland Fusiliers |
| RHG |
Royal Horse Guards |
| RHQ |
Regional Headquarters |
| RHR |
Royal Highland Regiment |
| RHS |
Royal Horticultural Society; Royal Humane Society |
| RI |
Rhode Island; (Member of) Royal Institute of Painters in Water Colours |
| RIA |
Royal Irish Academy |
| RIAMC |
Royal Indian Army Medical Corps |
| RIAS |
Royal Incorporation of Architects in Scotland |
| RIASC |
Royal Indian Army Service Corps |
| RIBA |
(Member of) Royal Institute of British Architects |
| RIBI |
Rotary International in Great Britain and Ireland |
| RIC |
Royal Irish Constabulary; Royal Institute of Chemistry |
| RICS |
Royal Institution of Chartered Surveyors |
| RIF |
Royal Inniskilling Fusiliers |
| RIIA |
Royal Institute of International Affairs |
| RIM |
Royal Indian Marines |
| RIN |
Royal Indian Navy |
| RINA |
Royal Institution of Naval Architects |
| RINVR |
Royal Indian Naval Volunteer Reserve |
| RIPA |
Royal Institute of Public Administration |
| RLC |
Royal Logistic Corps |
| Rlrd(s) |
Railroad(s) |
| RLSS |
Royal Life Saving Society |
| Rlwy |
Railway |
| RM |
Royal Marines; Resident Magistrate; Registered Midwife |
| RMA |
Royal Military Academy, Sandhurst; Royal Marine Artillery |
| RMB |
Rural Mail Base |
| RMC |
Royal Military College Sandhurst |
| RMCS |
Royal Military College of Science |
| RMFVR |
Royal Marine Forces Volunteer Reserve |
| RMLI |
Royal Marine Light Infantry |
| RMN |
Registered Mental Nurse |
| RMO |
Resident Medical Officer(s) |
| RMP |
Royal Military Police |
| RMS |
Royal Microscopical Society; Royal Mail Steamer; Royal Society of Miniature Painters |
| RN |
Royal Navy; Royal Naval; Registered Nurse |
| RNAS |
Royal Naval Air Service |
| RNC |
Royal Naval College |
| RND |
Royal Naval Division |
| RNEC |
Royal Naval Engineering College |
| RNIB |
Royal National Institute for the Blind |
| RNID |
Royal National Institute for Deaf People (formerly Royal National Institute for the Deaf) |
| RNLI |
Royal National Lifeboat Institution |
| RNR |
Royal Naval Reserve |
| RNSC |
Royal Naval Staff College |
| RNVR |
Royal Naval Volunteer Reserve |
| RNVSR |
Royal Naval Volunteer Supplementary Reserve |
| RNXS |
Royal Naval Auxiliary Service |
| RNZAC |
Royal New Zealand Armoured Corps |
| RNZAF |
Royal New Zealand Air Force |
| RNZN |
Royal New Zealand Navy |
| RNZNVR |
Royal New Zealand Naval Volunteer Reserve |
| ROC |
Royal Observer Corps |
| ROF |
Royal Ordnance Factories |
| ROI |
Member, Royal Institute of Oil Painters |
| RoSPA |
Royal Society for the Prevention of Accidents |
| Roy |
Royal |
| RP |
Member, Royal Society of Portrait Painters |
| RPC |
Royal Pioneer Corps |
| RPMS |
Royal Postgraduate Medical School |
| RRC |
Royal Red Cross |
| RSA |
Royal Scottish Academician; Royal Society of Arts; Republic of South Africa |
| RSAA |
Royal Society for Asian Affairs |
| RSAS |
Royal Surgical Aid Society |
| RSC |
Re al Society of Canada; Royal Society of Chemistry; Royal Shakespeare Company |
| RSCN |
Registered Sick Children's Nurse |
| RSE |
Royal Society of Edinburgh |
| RSF |
Royal Scots Fusiliers |
| RSGS |
Royal Scottish Geographical Society |
| RSL |
Royal Society of Literature; Returned Services League of Australia |
| RSM |
Royal School of Mines |
| RSPB |
Royal Society for Protection of Birds |
| RSPCA |
Royal Society for Prevention of Cruelty to Animals |
| RSPP |
Royal Society of Portrait Painters |
| RSSPCC |
Royal Scottish Society for Prevention of Cruelty to Children |
| RSW |
Member, Royal Scottish Society of Painters in Water Colours |
| Rt Hon |
Right Honourable |
| Rt Rev |
Right Reverend |
| Rt. |
Right |
| RTC |
Royal Transport Corps |
| RTE |
Radio Telefis Eireann |
| RTO |
Railway Transport Officer |
| RTPI |
Royal Town Planning Institute |
| RTR |
Royal Tank Regiment |
| RTS |
Religious Tract Society; Royal Toxophilite Society; Royal Television Society |
| RU |
Rugby Union |
| RUC |
Royal Ulster Constabulary |
| RUI |
Royal University of Ireland |
| RUKBA |
Royal United Kingdom Beneficent Association |
| RUR |
Royal Ulster Regiment |
| RURAL |
Society for the Responsible Use of Resources in Agriculture and on the Land |
| RUSI |
Royal United Services Institute for Defence Studies (formerly Royal United Service Institution) |
| RVC |
Royal Veterinary College |
| RWAFF |
Royal West African Frontier Force |
| RWF |
Royal Welch Fusiliers |
| RWS |
(Member of) Royal Society of Painters in Water Colours |
| RYA |
Royal Yachting Association |
| RYS |
Royal Yacht Squadron |
