Cinchona can refer to
Cinchona, a genus in the Rubiaceae plant family Jesuit's bark, also called cinchona: bark from any of several Cinchona species used to extract quinine used in medicine Cinchona, Costa Rica, epicenter of the 2009 Cinchona earthquake USS Cinchona (AN-12), a World War II-era ship
See also Chinchón (disambiguation)