| Acronym | Definition |
|---|
| COSS➣Certified Occupational Safety Specialist |
| COSS➣Centre for Open Source Software |
| COSS➣Common Object Services Specification |
| COSS➣Cost of Service Study (various locations) |
| COSS➣Corridors of Statewide Significance (Virginia Department of Transportation) |
| COSS➣Consuls |
| COSS➣Commercial Open Source Software (licensing status) |
| COSS➣Carotid Occlusion Surgery Study |
| COSS➣Councils of Social Services (New Zealand) |
| COSS➣Cooperative Osteosarcoma Study Group |
| COSS➣Controller of Site Safety (UK railway engineering) |
| COSS➣Controller of Site Safety (Named supervisor of work gangs on UK railways) |
| COSS➣Commissioner of Social Security |
| COSS➣Co-Orbit Support Systems |
| COSS➣Centaur Operations at the Space Station (NASA) |
| COSS➣Crew On-orbit Support Systems (NASA) |
| COSS➣Customer Oriented Strategic System |
| COSS➣Contracts and Other Support Services (Federal Acquisition Regulation) |
| COSS➣Contractor-Operated Storage Sites |
| COSS➣Colorado Organization of Slalom Skateboarding |
| COSS➣Commander's OPSEC Support System |