FC4 may refer to:
- Far Cry 4, a 2014 video game
- CFC4, Macmillan Pass Airport, Transport Canada's airport code
- Release 4 of the Fedora Core Linux distribution
- Fiber Channel protocol mapping layer
- FC4: an EEG electrode site according to the 10-20 system
This disambiguation page lists articles associated with the same title formed as a letter–number combination.
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