Pinch bug, pinchbug, or pincher bug may refer to:
Stag beetles, insects belonging to the family Lucanidae Earwigs, insects belonging to the order Dermaptera Members of the crab family Chirostylidae, which together with families Galatheidae and Kiwaidae are also commonly known as squat lobsters Crayfish, freshwater crustaceans belonging to the superfamilies Astacoidea and Parastacoidea