OSAF
| 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) |