Viliami Ma'afu (born 9 March 1982) is a Tongan rugby union footballer. His usual position is number eight. He was part of the Tongan squad at the 2011 Rugby World Cup where he played in four matches.In Summer 2012, he joined Glasgow Warriors from Japanese side Mitsubishi Sagamihara DynaBoars but left again in September 2012 due to family and personal reasons.