Trosky may refer to:
Trosky Castle, Semily, Liberec Region, Czech Republic Rovensko pod Troskami Trosky, Minnesota, United States
People with the surname Hal Trosky (1912–1979), baseball player Hal Trosky, Jr. (born 1936), Major League Baseball pitcher Jon Trosky (born 1980), American actor
See also Leon Trotsky (1879–1940), Soviet politician and Marxist theorist