| Acronym | Definition |
|---|
| OSAF➣Open Source Applications Foundation (free software) |
| OSAF➣Open Source Applications Foundation |
| OSAF➣Office of the Secretary of the Air Force |
| OSAF➣Open Software Architecture Forum |
| OSAF➣Oregon Sports Authority Foundation (Portland, OR) |
| OSAF➣Opinion Stated As Fact |
| OSAF➣Office of Student Affairs and Facilities (Duke University) |