| Acronym | Definition |
|---|
| OSDA➣Organization for Strategic Development for Africa |
| OSDA➣Old School Derby Association (skating) |
| OSDA➣Office of Student Development and Activities (New School; New York, NY) |
| OSDA➣Oklahoma Self-Defense Act |
| OSDA➣Operator Services/Directory Assistance |
| OSDA➣Ontario Soft Drink Association |