| RFA | Radiation Field Analyser 
| Others |
| RFA | Radio Fixed Access
| Others |
| RFA | Radio Free Afghanistan
| Others |
| RFA | Radio Free Asia
| Others |
| RFA | Radio Frequency Ablation
| Others |
| RFA | Radio Frequency Allotment
| Others |
| RFA | Radio Frequency Authorization
| Others |
| RFA | RadioFrequency Ablation
| Others |
| RFA | Rafaï Airport
| Others |
| RFA | Raised Floor Area
| Others |
| RFA | Rallye de France Alsace
| Others |
| RFA | Rappahannock Foundation for the Arts
| Others |
| RFA | Ready For Acceptance
| Others |
| RFA | Ready For Action
| Others |
| RFA | Ready For Anything
| Others |
| RFA | Ready For Approval
| Others |
| RFA | Reason For Assessment
| Others |
| RFA | Reasons For Assessment
| Others |
| RFA | Receive Frame Area
| Others |
| RFA | Recency, Frequency, and Amount
| Others |
| RFA | Record File Address
| Others |
| RFA | Recreational Fishing Alliance
| Others |
| RFA | Refractor File Archive
| Others |
| RFA | Refrigerated Foods Association
| Others |
| RFA | Regional Forest Agreement
| Others |
| RFA | Registered Financial Adviser
| Others |
| RFA | Regular First Appeal
| Others |
| RFA | Regulatory Flexibility Act
| Others |
| RFA | Regulatory Flexibility Analysis
| Others |
| RFA | Reilly Financial Advisors
| Others |
| RFA | Release For Announcement
| Others |
| RFA | Religious Freedom Action
| Others |
| RFA | Rembrandt Fine Arts
| Others |
| RFA | Remote Feature Activation
| Others |
| RFA | Remote File Access
| Others |
| RFA | Remote Function Actuator
| Others |
| RFA | Renewable Fuel Agency
| Others |
| RFA | Renewable Fuels Association
| Others |
| RFA | Rentable Floor Area
| Others |
| RFA | Request For Acknowledgment
| Others |
| RFA | Request For Action
| Others |
| RFA | Request For Adminship
| Others |
| RFA | Request For Adoption
| Others |
| RFA | Request For Advice
| Others |
| RFA | Request For Application
| Others |
| RFA | Request For Application(s)
| Others |
| RFA | Request For Applications
| Others |
| RFA | Request For Assistance
| Others |
| RFA | Request for Authorization
| Others |
| RFA | Request for Failure Analysis
| Others |
| RFA | Requests for adminship
| Others |
| RFA | Requests for Applications
| Others |
| RFA | Requirements For Accreditation
| Others |
| RFA | Research For Action
| Others |
| RFA | Resident Facility Assistant
| Others |
| RFA | Resident Flash Array
| Others |
| RFA | Resource Family Approval
| Others |
| RFA | Restricted Flight Area
| Others |
| RFA | Restricted Free Agent
| Others |
| RFA | Restriction Fragment Analysis
| Others |
| RFA | Restrictive Fire Area
| Others |
| RFA | Resurrection Fighting Alliance
| Others |
| rfa | Revit Family file
| Others |
| RFA | RF ablation
| Others |
| RFA | Richard Fleischman and Associates
| Others |
| RFA | Right Femoral Artery
| Others |
| RFA | Right forearm
| Others |
| RFA | Ring Full Away
| Others |
| RFA | Risk Factor Analysis
| Others |
| RFA | Risk Factor of Atherosclerosis
| Others |
| RFA | Road Freight Association
| Others |
| RFA | Robbery, Fraud, and Arson
| Others |
| RFA | Rolling File Appender
| Others |
| RFA | Romantic Fireside Association
| Others |
| RFA | Rome Freak Asylum
| Others |
| RFA | Rome Free Academy
| Others |
| RFA | Royal Field Artillery
| Others |
| RFA | Royal Fleet Archiver
| Others |
| RFA | Royal Fleet Auxiliary
| Military, Marine Corps, Navy |
| RFA | Rubin Financial Advisors
| Others |
| RFA | Rugby Fives Association
| Others |
| RFA | Rural Finance Authority
| Others |
| RFA | Russell Fote & Associates, Inc., Expert Witness Safety Engineering
| Others |