| Term | Full Form | Category |
|---|---|---|
| OCSD | Obsessive-Compulsive Spectrum Disorder | Others |
| OCSD | Optical Communications and Sensor Demonstration | Others |
| OCSD | Orange Carbonated Soft Drink | Others |
| OCSD | Orange County Sanitation District | Others |
| OCSD | Orange County Sheriff's Department | Others |
| OCSD | Oregon City School District | Others |
| OCSD | Ottumwa Community School District | Others |