| Acronym | Definition |
|---|
| UASB➣Universidad Andina Simon Bolivar (Spanish: Simon Bolivar Andean University; Quito, Ecuador) |
| UASB➣Upflow Anaerobic Sludge Blanket |
| UASB➣Upflow Anaerobic Sludge Bed (wastewater treatment) |
| UASB➣University of Agricultural Sciences Bangalore (India) |
| UASB➣United American Savings Bank (Pittsburgh, PA) |
| UASB➣Undergraduate Academic Services Building (Arizona State University) |