| Abbreviation | Definition |
|---|---|
| RISC | Reality In Seeking Christ |
| RISK | Random Incidents Of Sacrificial Kindness |
| RJ | Reform Judaism |
| RJM | Religious of Jesus and Mary |
| RJO | Recognized Jewish Organization |
| RKM | Ramakrishna Mission |
| RLC | Radiant Life Church |
| RLC | Religious Liberty Commission of World Evangelical Alliance |
| RLCA | Rock Lake Christian Assembly |
| RLCC | Real Life Christian Church |
| RLCC | Redeeming Love Christian Center |
| RLDS | Reorganized Church of Jesus Christ of Latter-Day Saints |
| RLM | Roberts Liardon Ministries |
| RLP | Religious Liberty Partnership |
| RLS | River of Life Sanctuary |
| RLTF | Religious Liberty Task Force |
| RLU | Real Life University |
| RLW | Rivers Of Living Water |
| RM | Return Missionary |
| RM | Returned Missionary |