| Abbreviation | Definition |
|---|---|
| RCMM | Rugby Club Metz Moselle |
| RCSL | Rugby Canada Super League |
| RCTP | Rugby Club Touvet Pontcharra |
| RCVE | Rugby Club De La Vallee De L'essonne |
| RCY | Rugby Club Yverdon |
| RFA | Rugby Fives Association |
| RFC | Rugby Football Club |
| RINSE | Review Innovate Non-Judgemental Status Evaluation |
| RLCM | Rugby League Coaching Manual |
| RLCM | Rugby League Coaching Manual (established 1993) |
| RLCN | Rugby League Conference National |
| RLEF | Rugby League European Federation |
| RLFC | Rugby League Club Rugby League club |
| RLFG | Rugby League Federation Ghana |
| RLFG | Rugby League Federation of Ghana |
| RLIF | Rugby League International Federation |
| RLN | Rugby League Northland |
| RLPA | Rugby League Players Association |
| RLPA | Rugby League Professionals Association |
| RLSA | Rugby League Supporters Association |