| Birth Name: | John Ulugia |
| Birth Date: | 17 January 1986 |
| Birth Place: | Auckland, New Zealand |
| Weight: | 113kg (249lb) |
| Ru Position: | Prop, Hooker |
| Super1: | Brumbies |
| Super2: | Waratahs |
| Superyears1: | 2006–10,23 |
| Superyears2: | 2011–13 |
| Superapps1: | 13 |
| Superapps2: | 37 |
| Superpoints1: | 0 |
| Superpoints2: | 10 |
| Clubs1: | Clermont Auvergne |
| Clubs2: | Bayonne |
| Apps1: | 130 |
| Apps2: | 31 |
| Points1: | 40 |
| Points2: | 5 |
| Years1: | 2014–2020 |
| Years2: | 2020–2022 |
| Ru Clubupdate: | 1 May 2021 |
| Repteam1: | Australian Schoolboys |
| Occupation: | Professional rugby union footballer |
| School: | Noble Park, VIC |
John Ulugia (born 17 January 1986), is an Australian rugby union player. He played for the ACT Brumbies as either a prop or hooker. 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.[1]