Simana "Joe" Mafileo (born 14 September 1969) is a Tongan former rugby union player.
Mafileo debuted for Tonga in the 1995 Rugby World Cup, playing only against Ivory Coast, at Rustenburg.
His last international cap for tonga was during the match against Fiji, at Nadi, on 4 July 2003.
At club level, he played for Bay of Plenty, North Harbour, Northland and Kubota Spears.
This biographical article relating to Tongan rugby union is a stub.