| Acronym | Definition |
|---|
| OIAS➣Office of Integrated Access and Support (Maine Department of Health and Human Services) |
| OIAS➣Owashtanong Islands Audubon Society (Grand Haven, MI) |
| OIAS➣Organization of Ibero-American States (Portuguese and Spanish speaking nations) |
| OIAS➣Office of International and Area Studies |
| OIAS➣Organizational and Individual Assessment Survey |