| Abbreviation | Definition |
|---|---|
| RUB | Rubbing |
| RUBA | Real Urdu Bot Automation |
| RUBA | Road User Behaviour Analysis |
| RUBA | Rotational Unit Bivouac Area |
| RUBACE | rub Ace's's |
| RUBBISH | Ravishing Unbelievable Beautiful Beautiful Idonis Sexy Hunk |
| RUBD | Rotary Ultrasonic Bone Drilling |
| RUBE | Really Useful Box2D Editor |
| RUBEN | Rural Utility Botic Experimental Navigator |
| RUBIES | Respectful Unique Beautiful Intelligent encouraging and sisterhood |
| RUBM | Rail and Universal Beam Mill |
| RUBRIC | Reliability Usability Behavior Reflection Information and Creativity |
| RUBS | Ratio Utility Billing System |
| RUBS | Ratio Utility Billing Systems |
| RUBY | R U Being Yourself |
| RUBY | Recognizing the Upward Bright and Young |
| RUC | Rashtriya Ulama Council |
| RUC | Road Usage Charge |
| RUC | Road Usage Charging |
| RUC | Road user charges |