Janko Gojković (born April 14, 1973) is a Bosnian former swimmer, who specialized in sprint freestyle and butterfly events. He is a three-time Olympian (1992, 1996, and 2000), and a member of the Bosnian swimming team since the breakup of SFR Yugoslavia in 1991. He held numerous Bosnian records in the 100 m butterfly, and achieved top finishes from the European Championships. After his sporting career ended in 2000, Gojković worked in various swim clubs across Great Britain and some parts of Eastern Europe.