| Abbreviation | Definition |
|---|---|
| RUAE | Reading for Understanding Analysis and |
| RUAF | Road Use Assessment Fee |
| RUAFAN | Rua's fan |
| RUAH | Respect Understanding Affection and Humour |
| RUAI | Receptive Unprotected Anal Intercourse |
| RUAI | Risky Unprotected Anal Intercourse |
| RUAP | Rajuk Uttara Apartment Project |
| RUAP | rational use of antibiotic prophylaxis |
| RUAP | Reading Urban Area Package |
| RUAP | Ruapehu |
| RUAP | Rural Utilities Assistance Program |
| RUB | Really Unbelievably Brilliant |
| RUB | Retro Urban Bike |
| RUB | Rich Urban Bikers |
| RUB | Righteous Urban Barbecue |
| RUB | Righteous Urban Barbeque |
| RUB | Righteous Urban BBQ |
| RUB | Road Under Bridge |
| RUB | rubbed |
| RUB | Rubberside Up Butthead |