John Katan (July 12, 1901–March 9, 1968) was a Ukrainian Canadian professional wrestler, trainer and promoter. A journeyman wrestler, Katan appeared throughout the world competing in nearly 6,000 matches during his 21-year career. Dubbed "Honest John", as well as the "Calgary Eyeopener" and "Palermo Panther", Katan was known for his great strength and won an estimated 90 percent of his bouts. Katan was one of the first foreign wrestlers to compete in New Zealand's Dominion Wrestling Union and became one of the country's most popular stars along with fellow Canadians Earl McCready, George Walker and . He defeated both McCready and Lofty Blomfield for the New Zealand-version of the NWA British Empire Championship in 1940. Katan was also regarded as one of the top stars in Canadian profession