| Acronym | Definition |
|---|
| OSLA | Ontario Association of Speech-Language Pathologists and Audiologists |
| OSLA | Ontario School Library Association |
| OSLA | Oklahoma Student Loan Authority |
| OSLA | Ocean State Lawyers for the Arts (est. 1984; Rhode Island) |
| OSLA | Overseas Securities Lending Agreement |
| OSLA | One Step Loading Adapter (US Air Force) |
| OSLA | Office of Student Legislative Affairs (Bellevue College; Bellevue, WA) |
