| Abbreviation | Definition |
|---|---|
| RHCP | Really Hellacious Chocolate Pizza |
| RIAA | Really Ignorant Artificial Agents |
| RIAA | Remember Indo American Arrogance |
| RIAA | Retarded Idiots Association of America |
| RIAA | Righteous Indignation Against Attitude |
| RIAA | Ruthless, Ignorant, And Avaricious |
| RICE | Race Inspired Cosmetic Enhancement |
| RICE | Rest In Cow Extortion |
| RICHELLE | Racing Irish Climbing Handball Economics Lacrosse Leadership English |
| RICK | Racially Insecure Caucasian Kid |
| RID | Robots In Disguise |
| RID | Roger In Disguise |
| RIGBY | Richard Is Great, But, Y'know |
| RIGBY | Richard Is Great, But, Y'know .. |
| RIM | Rookies of Internet Marketing |
| RIMM | Really Insignificant Mobile Manufacturer |
| RIMP | Rottenest Island Management Plan |
| RIP | Randomly Insulting People |
| RIP | Real Intense People |
| RIP | Reality Isn't Perfect |