Kaup may refer to: Kapu, Karnataka (AKA Kaup), a village in Udupi district, Karnataka, India Kaup (emporium), an early medieval trade settlement in the Curonian Lagoon Heinrich Kaup (1912–1999), highly decorated Feldwebel in the Wehrmacht during World War II Johann Jakob Kaup (1803–1873), German naturalist Kaup–Kupershmidt equation, the nonlinear fifth-order partial differential equation