A louse is a wingless insect. Louse may also refer to: Infections Pediculosis, an infection caused by lice Pediculosis capitis (Head lice infestation) Pediculosis corporis (Pediculosis vestimenti, Vagabond's disease) Pediculosis pubis (Crabs) Insects and other arthropods Gill louse, Ergasilus, a genus of parasitic copepod crustaceans Hog louse (disambiguation) Sea louse, the Caligidae, a family of ectoparasitic marine copepods Whale louse, the Cyamidae, a family of parasitic amphipod crustaceans Woodlouse, the Oniscidea, a suborder of terrestrial isopod crustaceans Other uses Stone louse, a fictitious animal created by the humorist Loriot See also Laos Louse Creek (disambiguation) Mouse (disambiguation)