is an abbreviation that can refer to:
- Rural Free Delivery , the postal system to rural areas started in the Great Depression
- Request for Discussion, a Usenet formal process for making changes
- Radio Frequency (device/detector/distribution), one of several acronyms
- Mayberry R.F.D. , a CBS television sitcom
- Chicago/Rockford International Airport (IATA airport code: RFD), an airport in northern Illinois
- Razorfen Downs , a World of Warcraft instance for the Horde
- RFD (magazine) , a magazine for rural gay men
- Recency Frequency Duration , a modified version on the RFM analysis
- The RFD Boys , a bluegrass band from Ann Arbor, Michigan
- Rear Flank Downdraft , an area of quickly descending air associated with strong thunderstorms
- Registered Firearms Dealer (United Kingdom)
- RFD-TV , a television network
- Reserve Force Decoration , an Australian Military Award
- R.F.D. Washington , a restaurant/bar in Washington D.C.
- Red Flag Deals , an online Canadian bargain hunting community
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