FP4

FP4 may refer to:
 * CFP4, an International Civil Aviation Organization airport code for McQuesten Airport, Yukon, Canada
 * FP4 plus, a black-and-white photographic film by Ilford Photo, latest version being called FP4 Plus or FP4+
 * Fourth Framework Programme (FP4), a European Union funding scheme for research projects
 * The Roland FP4, an electric piano
 * Fairphone 4