Hog louse

Hog louse may mean:


 * Hog louse, Haematopinus suis, a large parasitic louse living on the skin of domestic swine
 * Hog-louse or water hog-louse, applied to freshwater isopod crustaceans in the family Asellidae
 * Hog-louse or woodlouse, any of the many species of terrestrial isopod crustaceans in the suborder Oniscidea