John Ulugia (born 17 January 1986), is a retired Australian rugby union player.

In 2010, he shifted to play in the Sydney club rugby competition and was signed by the NSW Waratahs for the 2011 season.

He joined ASM Clermont Auvergne, French Top 14 rugby club, on 1 July 2014.

He was born in New Zealand, but moved to Australia as a small child.

His family, including cousin and fellow rugby player Digby Ioane, are of Samoan heritage.