The 2017 FIA Formula 2 Championship was the fifty-first season of the second-tier of Formula One feeder championship and also the first season under the moniker of FIA Formula 2 Championship, a motor racing championship run in support of the 2017 FIA Formula One World Championship. The championship is sanctioned by the Fédération Internationale de l'Automobile (FIA) and is open to teams and drivers competing in cars complying with Formula 2 regulations.

The FIA Formula 2 Championship is a second-tier single-seater championship organized by the Fédération Internationale de l'Automobile (FIA). Held on racing circuits, the championship was introduced in 2017, following the rebranding of the long-term Formula One feeder series GP2. The series' original founders were Flavio Briatore and current managing director Bruno Michel.