The 2019 FINA Men's Water Polo World League was the 18th edition of the annual men's international water polo tournament. It was played between October 2018 and June 2019 and opened to all men's water polo national teams. After participating in a preliminary round, eight teams qualified to play in a final tournament, called the Super Final from 18 to 23 June 2019.

Dušan Mandić is a Serbian water polo player who plays for Ferencváros. He was a part of the Montenegrin junior water polo team before opting to play for Serbia. With Serbian junior national team he won a gold medal at the 2011 Junior Water Polo World Championship. At the 2012 Summer Olympics, he competed for the Serbia men's national water polo team in the men's event.