RFA explained

RFA may refer to:

Government and private organizations

Radio Free Asia, a private news broadcaster and publisher in East Asia, funded in part by the U.S. government
Renewable Fuels Agency, a former UK renewable fuel regulatory agency
Renewable Fuels Association, a body representing the U.S. ethanol industry
République fédérale d'Allemagne, the French acronym for the Federal Republic of Germany
Rocket Factory Augsburg, a German New Space start-up located in Augsburg.

Royal Field Artillery, a unit of the British Army from 1899 to 1924
Royal Fleet Auxiliary, a civilian-crewed fleet owned by the United Kingdom's Ministry of Defence

Restricted free agent, in professional sports
Resurrection Fighting Alliance, a former mixed martial arts promotion based in the United States
Rugby Fives Association, the governing body for the sport of Rugby Fives

Radiofrequency ablation, a medical procedure in which tissue is burned away using electrically generated heat
, a video game released in 2011
Regional Forest Agreement, a series of plans for conservation of Australian forests
Regulatory Flexibility Act, a 1980 act of the U.S. Congress
Report for America, a national service program for emerging journalists in the U.S.
Request for admissions, part of US civil law procedures
Requests for adminship, on Wikipedia
Ring Fit Adventure, a Nintendo RPG exercise game released in 2019
Royal Fleet Auxiliary ships
Royal Frankish Annals, Latin records of the state of the Frankish monarchy from 741 to 829