| Abbreviation | Definition |
|---|---|
| RCNJ | Rensselaer Club of New Jersey |
| RCNM | Racing Club Narbonne Mediterranee |
| RCNM | Rottweiler Club of New Mexico |
| RCNT | Royal Club Nautique de Tournai |
| RCOB | Rotary Club of Bellingham |
| RCOB | Rotary Clubs of The Bahamas |
| RCOH | Rotary Club of Orangeville Highlands |
| RCOW | Rotary Club of Oakville West |
| RCOW | Rotary Club of Weston |
| RCOW | Rotary Club of Wolfville |
| RCPC | Racine County Pony Club |
| RCPC | Rajuk College Photography Club |
| RCPN | Rugby Club Paris Neuilly |
| RCPN | Rugby club percheron nogentais |
| RCPR | Rotary Club of Padma Rajshahi |
| RCPR | Rotary Club of Paramaribo Residence |
| RCPR | Rotary Club Princes Risborough |
| RCRC | River City Residence Club |
| RCSA | Racing Club de Strasbourg Alsace |
| RCSC | Reed Custer Soccer Club |