Thresher

Thresher may refer to:


 * Threshing machine (or thresher), a device that first separates the head of a stalk of grain from the straw, and then further separates the kernel from the rest of the head:
 * Pedal powered thresher, a low-tech threshing machine that is operated using pedals.


 * Thresher shark, a type of shark with a distinctly scythe-shaped tail
 * USS Thresher refers to two United States Navy submarines, named after the Thresher shark:


 * USS Thresher (SS-200), a Tambor-class submarine that served in World War II
 * USS Thresher (SSN-593), the lead ship of her class of nuclear-powered attack submarines and was lost by accident on 10 April 1963


 * Threshers (First Quench Retailing), a UK off licence chain
 * Rice Thresher, the undergraduate student newspaper of Rice University
 * Clearwater Threshers, a minor league baseball team in the Florida State League
 * Threshers (secret society), an Irish secret society in the first half of the nineteenth century