OSAD
| Acronym | Definition |
|---|---|
| OSAD | Ogólnopolskie Spotkanie Astronomiczne Doktorantów (Poland) |
| OSAD | Office of the State Appellate Defender (Illinois) |
| OSAD | Organization of Students of African Descent |
| OSAD | Office of the Assistant Secretary of Defense (for Command, Control, Communications and Intelligence) |
| OSAD | Online Study Abroad Directory (University of Minnesota) |
| OSAD | Organ-Specific Autoimmune Disease |