OLBA
| Acronym | Definition |
|---|---|
| OLBA | Ohio Licensed Beverage Association |
| OLBA | Ontario Lawn Bowls Association |
| OLBA | Ontario Library Boards Association (Canada) |
| OLBA | Beirut-Rafic Hariri International Airport (IACO code) |
| OLBA | Oak Lawn Bowling Association |
| OLBA | Oklahoma Limousin Breeders Association |
| OLBA | Oldenburger Baumschultage |
| OLBA | Owen Latin Business Association |
| OLBA | Online Business Associates |
| OLBA | Office of the Legislative Budget Assistant |
| OLBA | Online Business Analysis |