| Abbreviation | Definition |
|---|---|
| RAAS | Ransomware As A Service |
| RB | RedBubble |
| RCGW | Rural Community Gateway Website (Scotland, UK) |
| RDFSS | Resource Description Framework Site Summary (W3C) |
| RDT | Rencontre Du Temps |
| Reason Everybody Doesnt Do Important Tasks | |
| RES | Reddit Enhancement Suite |
| REVOI | Real Voice Of India |
| RFAA | Rabid Fanbase Assimilation Army |
| RHF | Rec.Humor.Funny |
| RHF | Rock Hard Fairies |
| RIP | Rest In pieces |
| RIVS | Recorded Interview Video System |
| ROAD | Rural Organization for Agricultural Development |
| ROBT | ROBTlsnyder |
| ROG | Rolling On the Ground |
| ROV | Ray's Occult Videos |
| ROW | Results Oriented Websites |
| RPAN | Reddit Public Access Network |
| RPD | Retrieval and Punishment Department |