Viliami Sikalamu "Sika" Manu is a former professional rugby league footballer who played as a second-row forward for Tonga and New Zealand at international level, being a member of the World Cup winning Kiwi team who beat Australia in the 2008 World Cup Final.

The Tonga national rugby league team represents Tonga in rugby league football. They are currently the fifth ranked team in the world. The team was formed to compete in the 1986 Pacific Cup, and have competed at six Rugby League World Cups, starting in 1995 and continuing consecutively until the most recent tournament. Their best result was at the 2017 Rugby League World Cup, where they were semi-finalists.