RJB
| Acronym | Definition |
|---|---|
| RJB | Real Jardín Botánico (Spanish: Royal Botanical Garden; Madrid, Spain) |
| RJB | Radio Jura Bernois SA (Switzerland) |
| RJB | River Junction Band (Ontario, Canada) |
| RJB | Robust Jarque-Bera (statistics) |
| RJB | Rockin' Jake Band |
| RJB | Relay Junction Box |
| RJB | Raymond James Bank (St. Petersburg, FL) |