Karl Emil Cuno Hoempler Urban (January 29, 1864 - December 15, 1936) was a Peruvian-German cartographer and surveyor. Heompler was born in Königsberg, Germany. It is not clear when he emigrated to Peru, but by the 1876 he was working with the Peruvian Servicio Geográfico del Ejército hoy Instituto Geográfico Militar. He appears to have been based alternatively in Lima and Iquitos, a jungle port on the Amazon. He made maps of eastern Peru and western Brazil, usually of the Amazon region, including a 10-foot-long map of the Amazon River from Iquitos to Manaus.