| Abbreviation | Definition |
|---|---|
| RCLS | Research Committee on Language and Society |
| RCMS | Richmond County Medical Society |
| RCMS | Ridgecrest Chamber Music Society |
| RCO | Royal College of Ophthalmologists |
| RCP | Royal College of Physicians of London |
| RCP | Royal College of Psychiatrists |
| RCPA | Royal College of Pathologists of Australasia |
| RCPS | Royal Cornwall Polytechnic Society |
| RCPSC | Collège Royal des Médecins et Chirurgiens du Canada |
| RCPSC | Collge Royal des Mdecins et Chirurgiens du Canada |
| RCPT | #2 '4"2%1"4A "LA+H#0@(D" |
| RCPT | ???????????????????????????????? |
| RCPT | Royal College of Psychiatrists of Thailand |
| RCS | Rockbridge Choral Society |
| RCSC | Red Cross Society of China |
| RCSP | Rwanda Civil Society Platform |
| RCSS | Romania Civil Society Strengthening |
| RCST | Red Crescent Society of Tajikistan |
| RCTS | Railway Correspondence and Travel Society |
| RCVS | Royal College of Veterinary Surgeons |