| Acronym | Definition |
|---|
| OLAC➣Open Language Archives Community |
| OLAC➣Open Language Archives Community (language resource; est. 2000) |
| OLAC➣Online Audiovisual Catalogers |
| OLAC➣Office of Laboratory Animal Care (University of California, Berkeley) |
| OLAC➣Observatorio Latinoamericano de Censos de Población (Portuguese: Latin American Observatory of Population Censuses) |
| OLAC➣Outdoor Lighting Application Center (Philips Electronics) |
| OLAC➣Object-Level Access Control (computing) |
| OLAC➣Open Learning Access Centre (Training and Employment Agency; Northern Ireland, UK) |