Siuola Simon Lemalu (born 23 January 1981) is a Samoan former rugby union player.
He debuted in the 2003 Rugby World Cup playing his first cap against Uruguay, at Perth, on 15 October 2003.
His last cap was against Tonga, at Lautoka, on 13 July 2011.
He also played for Northland, Counties Manukau, CA Brive and for Chiefs in the Super Rugby 2008 season.
This biographical article relating to Samoan rugby union is a stub.