Jai Opetaia
- Born
- 30 June 1995 (31 years)
- Place of birth
- Sydney, New South Wales, Australia
- Gender
- Male
Jai Opetaia is an Australian professional boxer who has held the WBA Oceania cruiserweight title since 2019. As an amateur he won a bronze medal at the 2012 Youth World Championships and represented Australia at the 2012 Olympics and 2014 Commonwealth Games.
