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| Rede Ferroviária Federal S.A. | |
| Company type | State-owned enterprise |
| Industry | Rail transport |
| Genre | Sociedade anônima |
| Founded | March 16, 1957 |
| Defunct | December 7, 1999 |
| Fate | Extinct |
| Successors | CPTM, SuperVia, CBTU, MRS Logística and others |
| Headquarters | Rio de Janeiro, Brazil |
Area served | South Region, Southeast Region, Central-West Region, Northeast Region |
| Products | Passenger and cargo transportation |
| Owner | Federal government of Brazil |
The Rede Ferroviária Federal, Sociedade Anônima (RFFSA, pronounced as Refesa) (lit. 'Federal Railroad Network, S.A.') was the State-owned national railway company of Brazil created from Brazilian Federal Law #3.115 on March 16, 1957, after several railroads were nationalized by the Brazilian government. However, the railroad did not take full effect until September 30, 1957. The RFFSA linked 42 railways together (both on documents and actual railroads), creating a regional system composed of 22 railroads. The goal of the RFFSA was to promote and advance the railroad sector of Brazil, creating a north-south-east-west rail network in all five regions of Brazil. But it failed and the RFFSA only served four of the five regions with a north-south rail network win 19 units of the federation of Brazil. By 1999, freight service of the railroad was liquidated and privatized, with the passenger service of the railroad liquidations occurring in 2007.