| Acronym | Definition |
|---|
| OSSO➣Oracle Single Sign on |
| OSSO➣on Site Service Order |
| OSSO➣Observatorio Sismologico del Suroccidente |
| OSSO➣Open Source Software Operations |
| OSSO➣Open Systems Software Division |
| OSSO➣Organizational Safeguards and Security Officer |
| OSSO➣Oxfordshire Schools Senior Orchestra (UK) |
| OSSO➣Operational Support Systems Operations (Sprint) |
| OSSO➣Order Statistics Smallest Of |