| Abbreviation | Definition |
|---|---|
| RCSS | Resurrection Catholic Secondary School |
| RCTI | Rotherham Churches Tourism Initiative |
| RCTMS | Roman Catholic Tamil Mixed School |
| RCV | Radio Christian Voice |
| RCV | River City Vineyard |
| RCW | Reformed Church Women |
| RCW | Rosary - Cathedral Windows |
| RCWP | Roman Catholic Women Priests |
| RCZ | Reformed Church in Zimbabwe |
| RCZ | Reformed Church of Zambia |
| RCZ | Rising Christ Zombie |
| RDB | Re- Discovering Birth |
| RDB | Religion Database |
| RDGW | Rocking Da Gospel Web |
| RDJ | Religious Diversity Journeys |
| RDMS | Registered Diagnostic Medical Sonographer |
| RDO | Rabi Detuning Oscil |
| RE | Runic Era |
| REACH | Relational Evangelism And Christian Hospitality |
| REACH | Relationship Evangelism Accountability Care And Hope |