Matija "Matt" Jaukovic (born 17 November 1985) is an Australian and former Montenegrin competitive swimmer. He is a former world record-holder in the short course 50 metre butterfly. Over the course of his career he has also held Commonwealth, Oceanian, Australian national, and Australian All Comers records in the short course 50 metre butterfly as well as an Australian All Comers record in the 100 metre butterfly. He won a total of 10 medals in international competitions, all at the FINA Swimming World Cup, seven of which were gold medals and three of which were silver medals. Before competing representing Australia, he set a Montenegrin national record in the 100 metre backstroke.