The gyrfalcon is the largest of the falcon species.

Gyrfalcon may also refer to: Gyrfalcon Islands, an uninhabited island group in the Qikiqtaaluk Region of Nunavut, Canada Gerfalcon (novel), a fantasy novel by Leslie Barringer Shenyang FC-31 «Gyrfalcon», a Chinese prototype fighter airplane EVS360 «White Gyrfalcon», a Russian high-speed train.