| Abbreviation | Definition |
|---|---|
| RRG | Religious Rehabilitation Group |
| RRJ | Road Riders For Jesus |
| RRR | Race Religion and Representation |
| RS | Random Scripture |
| RSC | Religious Studies Center |
| RSCA | Rock Solid Christian Academy |
| RSCA | Rock Springs Christian Academy |
| RSCJ | Religious of the Sacred Heart |
| RSCP | Religious Science Certified Practitioner |
| RSDR | Religion Spirituality and Democratic Renewal |
| RSF | Religious Society of Friends |
| RSHM | Religious of the Sacred Heart of Mary |
| RSM | Religious Sisters of Mercy |
| RSM | Sisters of Mercy |
| RSME | Religious Spiritual Mystical Experience |
| RSN | Religious Science of Nashville |
| RSNG | Religion and Science Network Germany |
| RSRC | Religion and Society Research Cluster |
| RSS | Religious Studies Society |
| RSSB | Radha Soami Satsang Beas |