Siua Taumalolo (born 8 July 1976 in Nukuʻalofa, Tonga) is a f former rugby union player.
After this restructuring, Taumololo played for Harlequins for a year, and following their relegation, moved to Sale Sharks before returning to play in the now semi-professional Welsh Premier Division with Neath RFC.
He signed for Bristol from Neath in the Summer of 2006 on a one-year contract but was renewed after assured performances.
He is a Tongan international and has also toured with the Pacific Islanders rugby union team in 2006–2007.
He has signed a contract with FC Grenoble in the French Pro D2 for the 2008–2009 season.