COSU
| Acronym | Definition |
|---|---|
| COSU | Crisis Outreach & Support Unit (New York Police Department; New York, NY) |
| COSU | Corporate-Owned, Single-Use (Android) |
| COSU | Coastal Ocean Space Utilization (conference) |
| COSU | Country Office Support Unit (UN Development Programme) |
| COSU | Central Office of the Swiss Universities |
| COSU | Central Oregon State University (land-grant university) |