| Acronym | Definition |
|---|
| OLA | Ontario Library Association |
| OLA | Optical Laboratories Association |
| OLA | Oregon Library Association |
| OLA | Oklahoma Library Association |
| OLA | Our Lady of the Angels (Chicago, IL Catholic school) |
| OLA | Official Languages Act (Canada) |
| OLA | Operational Level Agreement |
| OLA | Oligonucleotide Ligation Assay (method of testing for a specified mutation) |
| OLA | Open Learning Agency |
| OLA | Office of Legislative Affairs |
| OLA | Open Learning Australia |
| OLA | Operating Level Agreement (information technology services) |
| OLA | Orderly Liquidation Authority (Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010) |
| OLA | On Line Auction (website) |
| OLA | Our Lady Assumption (school) |
| OLA | Overlap and Add |
| OLA | Open Library Architecture (OpenEDA) |
| OLA | Ontario Lung Association (Canada) |
| OLA | Official Languages Agency (Hong Kong) |
| OLA | Ohio Library Association |
| OLA | Office of Legislative Audits |
| OLA | Orlando Latin American |
| OLA | On-Line Archive |
| OLA | On-Line Academy |
| OLA | Optical Laboratory Association |
| OLA | Optical Line Amplifiers (Ciena, Pirelli, NEC, Lucent) |
| OLA | Office of Legislative Analysis |
| OLA | Online Authorization (implementation of EFT for POS systems) |
| OLA | Olympus Laboratory Automation |
| OLA | Ordnance Loading Apron |
| OLA | Online Advertising, Inc. |
| OLA | One Letter Acronym |
| OLA | Office of the Lead Agent |
| OLA | Other Liquid Assets |
| OLA | Ohio Lumbermen's Association |
| OLA | Organizational Level Agreement |
| OLA | Output Level Adjust |
| OLA | Optical Link Amplifiers (Optivision) |
| OLA | Operation Location Alpha |
| OLA | Ordnance Loading Area |
| OLA | Object Layout Adaption |
| OLA | Open Licensing Agreement |
| OLA | Open Lighting Architecture (application framework) |
| OLA | Observatory on Latin America (New York) |
| OLA | Ocean-Land-Atmosphere (climate) |