Abkürzungen "R"
| RAAG | Radio Amateur Association of Greece |
| RAAWP | Radio Amateur Association of Western Peloponnese |
| RAC | Radio Amateurs of Canada  |
| RAFARS | Royal Air Force Amateur Radio Society |
| RAL | Radio Amateurs of Lebanon Association |
| RAOTA | Radio Amateur Old Timers Association |
| RAS | Radio Amatori Sardegna |
| RASA | Radio Amateur Society of Australia |
| RAST | Radio Amateur Society of Thailand |
| RBN | Reverse Beacon Network |
| RCA | Radio Club Argentino |
| RCFAS | Radio Club de las Fuerzas Armadas Españolas |
| RCWC | Russian CW Club |
| RCP | Radio Club Peruano |
| RDA | Russian District Award |
| RDRC | Russian Digital Radio Club |
| REF | Reseau des Emetteurs Francais |
| REP | Rede dos Emissores Portugueses |
| RIA | Red Ink Award |
| RLHA | Russian Lighthouse award |
| ROAR | Rotarians of Amateur Radio |
| RNARS | Royal Naval Amateur Radio Society |
| ROARS | Royal Omani Amateur Radio Society |
| RODE | Radio Operadores del Este |
| ROTA | Railways on the air |
| RRA | Russian Robinson Award |
| RRC | Russian Robinson Club |
| RSARS | Royal Signals Amateur Radio Society |
| RSGB | Radio Society of Great Britain |
| RSK | Radio Society of Kenya |
| RSM | Radioamateur Society of Macedonia |
| RSSL | Radio Society of Sri Lanka |
| RTC | Radio Telegraphy Club |
| RTRN | Russian Television Radio Network |
| RTSW | Real Time Solar Wind |
