Viliami Sikalamu "Sika" Manu (born 22 January 1987) is a former professional rugby league footballer who played as a second-row forward[2] 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.

[4] He played for the Randwick Kingfishers, Petone Panthers and the Upper Hutt Tigers in the Wellington Rugby League.

[6] Manu suffered a leg injury in the Storm's 2009 Round 21 clash with the St George Illawarra Dragons, thus ending his season.

Later in the year Sika represented Tonga in their unsuccessful 2013 Rugby League World Cup campaign.

On 17 October 2015 Manu captained Tonga again this time in their Asia-Pacific Qualifier match against the Cook Islands for the 2017 Rugby League World Cup.

On 7 May 2016, Manu traveled down from Hull to Sydney to captain Tonga in the 2016 Polynesian Cup[15] against Samoa, where he started in the second row in the 18-6 loss at Parramatta Stadium.