Fjerritslev is a Danish town in Jammerbugt Municipality, Region Nordjylland.The town's population is 3,341 (1 January 2014).
Until 1 January 2007, Fjerritslev was the municipal seat of the former Fjerritslev Municipality.
Coordinates: 57°05′N 9°16′E / 57.083°N 9.267°E