| Acronym | Definition |
|---|
| ROA | Report(s) Of Audit |
| ROA | Return On Assets |
| ROA | Reserve Officers Association |
| ROA | Record on Appeal (legal filing) |
| ROA | Regional Office for Africa (various organizations) |
| ROA | Resource-Oriented Architecture (software implementation) |
| ROA | Record of Achievement |
| ROA | Real Options Analysis |
| ROA | Route of Administration (pharmacology) |
| ROA | Rights of Accumulation |
| ROA | Retired Officers Association |
| ROA | Raman Optical Activity (Spectroscopy) |
| ROA | Remotely Operated Aircraft |
| ROA | Reciprocal of America |
| ROA | Recognized Operating Agency (ITU-T M 3000) |
| ROA | Research Opportunity Award |
| ROA | Received On Account |
| ROA | Rest of Africa |
| RoA | Rivers of America (Disneyland & Magic Kingdom) |
| ROA | Radius of Action |
| ROA | Riviera Owners Association (Buick Riveria model; Altoona, IA) |
| ROA | Roanoke, VA, USA - Roanoke Regional Airport (Airport Code) |
| ROA | Regurgitant Orifice Area (cardiology) |
| ROA | Rip Off Artist |
| ROA | Restricted Operations Area (military) |
| ROA | Russkaya Osvoboditel'naya Armiya (Russian: Russian Liberation Army) |
| ROA | Right Occipito Anterior (fetal position) |
| ROA | Research Opportunity Announcement |
| ROA | Radio Orphan Annie |
| RoA | Realms of Adventure (game) |
| ROA | Read Only Area |
| ROA | Regimental Officers Academy |
| ROA | Reeks of Awesomeness (online slang) |
| ROA | Running on Arrival (elevator industry) |
| ROA | Record of Assembly |
| ROA | Reimbursable Obligation Authority |
| ROA | Reorder Announcement |
| ROA | Recursive Operability Analysis |
| ROA | Romance of Antiquity (class; University of Toronto Schools; Canada) |
| ROA | Region Occupancy Analysis |
| ROA | Reliability Output Algorithm |
| ROA | Réalisation Ouest Aménagement (French housing development company) |
| ROA | Remington Old Army (pistol) |
| ROA | Rehabilitation of Offenders Act (UK) |