OCSI
| Acronym | Definition |
|---|---|
| OCSI | One Connection System Integrator |
| OCSI | One Call Systems International |
| OCSI | Oxford Consultants for Social Inclusion |
| OCSI | One-Call Systems International |
| OCSI | Open Collaboration Services Initiative |
| OCSI | On-Chip Spiral Inductor |
| OCSI | Okinawa Christian School International (Okinawa, Japan) |
| OCSI | Object-Oriented Client/Server Internet |