| REA | radioenzyme assay 
| Others |
| REA | Railroad Enthusiast Association
| Others |
| REA | Railway Express Agency
| Others |
| REA | Rapid Environmental Assessment
| Others |
| REA | Rapid Epidemiologic Assessment
| Others |
| ReA | reactive arthritis
| Others |
| REA | Reading Excellence Act
| Others |
| REA | Real Estate Agency
| Others |
| REA | Real Estate Agent
| Others |
| REA | Real Estate Assistant
| Others |
| REA | Reciprocal Easement Agreement
| Others |
| REA | Record Evaluate and Apply
| Others |
| REA | Recursos Educacionais Abertos
| Others |
| REA | Reemployment and Eligibility Assessment
| Others |
| REA | Regional Education Adviser
| Others |
| REA | Registro de Economistas
| Others |
| REA | Religious Education Association
| Others |
| REA | Renewable Energy Approvals
| Others |
| REA | Research And Educational Association
| Others |
| REA | Research Executive Agency
| Others |
| REA | Resource Event Agent ontology of economic exchanges
| Others |
| REA | Resource Event And Agent
| Others |
| REA | Resource Events and Agents
| Others |
| REA | Resource Exchange Association
| Others |
| REA | Resources Events Agents
| Others |
| REA | Resources Events and Agents
| Others |
| REA | Resources, Events, and Agents
| Others |
| REA | Restriction Endonuclease Analysis
| Others |
| REA | Restriction Enzyme Analysis
| Others |
| REA | Retired Educators Association
| Others |
| REA | Rice Engineering Alumni
| Others |
| REA | Ricklin Echikson Associates
| Others |
| REA | Riot Engine Animation
| Others |
| REA | Ripple Effect Analysis
| Others |
| REA | Robert Edward Auctions
| Others |
| REA | Rockford Education Association
| Others |
| REA | Rod Ejection Accident
| Others |
| REA | Romanian Extreme Adventure
| Others |
| REA | Rotary Electronic Actuator
| Others |
| REA | Round Efficiency Adjustment
| Others |
| REA | Royal Equestrian Airforce
| Others |
| REA | Royal Europe Airlines
| Others |
| REA | Runestone Electric Association
| Others |
| REA | Rural Electric Administration
| Others |
| REA | Rural Electric Association
| Others |
| REA | Rural Electrification Administration
| Others |
| REA | Rural Electrification Agency
| Others |
| REA | Rural Electrification Association
| Others |