| Abbreviation | Definition |
|---|---|
| RHM | Rowan Helping Ministries |
| RHPS | The Religious Heathen Pagan Site |
| RHR | Rabbis for Human Rights |
| RHR | Radical History Review |
| RHS | Releasing The Hidden Splendor |
| RHUC | Richmond Hill United Church |
| RHUC | Rosslyn Hill Unitarian Chapel |
| RIBC | Rhode Island Baptist Church |
| RIBQ | Rochester Invitational Bible Quiz |
| RIC | Religious of the Immaculate Conception |
| RICH | Responsible Independent Christian Human |
| RIDGE | Radical In Doing God's Evangelism |
| RIF | Relationships In Faith |
| RIG | Rooted In God |
| RIJ | Rejoice In Jehovah |
| RIJC | Roosevelt Island Jewish Congregation |
| RINGO | Religious International Non-Governmental Organizations |
| RIP | Requiescat In Pace |
| RIS | Reviving the Islamic Spirit |
| RISA | Religion In South Asia |