| Abbreviation | Definition |
|---|---|
| ROAC | Radon On Activated Charcoal |
| ROAC | Reception Orientation Assessment Centre |
| ROAC | Register of Approved Contractors |
| ROAC | Registro de Organizaciones de Acción Comunitaria |
| ROAC | Registro Oficial de Auditores de Cuentas |
| ROAC | Repository of arbitration cores |
| ROAC | Return On Allocated Capital |
| ROAC | Return On Average Capital |
| ROAC | Revolving and Openable Auger Cleaner |
| ROAC | Rock Of Ages Corp |
| ROACE | Return On Average Capital Employed |
| ROACE | Returns On Average Capital Employed |
| ROACH | Reconfigurable Open Architecture Computing Hardware |
| ROACH | Roaches |
| ROAD | Rainforests Organizations and Advocates |
| ROAD | Reality Of Amy Dumas |
| ROAD | Record Of Achievement And Development |
| ROAD | The Reality Of Amy Dumbass |
| ROADI | Reach Out And Read, Inc. |
| ROADM | Rapidly Oscillating Advanced Digital Mess |