| Acronym | Definition |
|---|
| RFAC | Royal Fine Art Commission (now Commission for Architecture and the Built Environment; UK) |
| RFAC | Ride for a Cause (Chicago, IL) |
| RFAC | Ride for AIDS Chicago (Illinois) |
| RFAC | Regional Fractional Area Change (cardiology) |
| RFAC | Radio-Frequency Anechoic Chamber (electronics) |
| RFAC | Recycling Fund Advisory Committee (Pennsylvania Department of Environmental Protection) |
| RFAC | Regional Fisheries Advisory Committee (United Kingdom) |
| RFAC | Road Freight Advisory Council (Australia) |
| RFAC | Religious Freedom Action Coalition (Washington, DC) |