UBOA
| Acronym | Definition |
|---|---|
| UBOA | United Bus Owners of America (formerly National Association of Motor Bus Operators) |
| UBOA | Utility Board of Adjustment (North Carolina) |
| UBOA | Upper Bucks Orthopaedic Association (Sellersville, PA) |
| UBOA | United Bank Officers Association (bank employees union; various locations) |
| UBOA | Uterine Branch of the Ovarian Artery (reproduction) |