| Acronym | Definition |
|---|
| OSCA➣Officine Specializate Construzione Automobili |
| OSCA➣Optical Switching Components and Applications |
| OSCA➣Office of State Courts Administrator |
| OSCA➣On Shelf Customer Availability (Walmart) |
| OSCA➣Ontario Street Car Association |
| OSCA➣Officine Specializate Costruzione Automobili (race car manufacturer) |
| OSCA➣Objective Structured Clinical Assessment |
| OSCA➣Office of Senior Citizen Affairs (Philippines) |
| OSCA➣Operations Systems Computing Architecture (Bellcore) |
| OSCA➣Open Systems Color Association |
| OSCA➣Order of the Seven Churches of Asia |