The World Boxing Organization (WBO) is an organization which sanctions professional boxing bouts. It is recognized by the International Boxing Hall of Fame (IBHOF) as one of the four major world championship groups, alongside the World Boxing Association (WBA), World Boxing Council (WBC), and International Boxing Federation (IBF). The WBO's headquarters are located in San Juan, Puerto Rico.
Shane Aaron Cameron is a New Zealand professional boxer. He is a former Commonwealth cruiserweight champion, having also held several regional titles at heavyweight. As an amateur he won a bronze medal in the heavyweight division at the 2002 Commonwealth Games. Outside of boxing, he placed fifth in the 2015 series of Dancing With the Stars New Zealand.
Monte Barrett is an American former professional boxer who competed from 1996 to 2014. He challenged once for the WBA heavyweight title in 2006, and fought many top heavyweight champions and contenders during his career.
Maselino Francis Masoe Fao is a retired Samoan boxer who represented American Samoa at three Olympics starting with the 1988 Summer Olympics. As a professional, Masoe made history becoming the first Samoan boxer to win a major world title, defeating Kenyan born Evans Ashira on May 1, 2004 for the regular WBA world middleweight crown via second round Technical Knockout. He is the brother of rugby player Chris Masoe. Another brother, Mika, also represented American Samoa in boxing at the 1988 and 1992 Olympics.
Oleksandr Oleksandrovych Usyk is a Ukrainian professional boxer. He has held multiple world championships in two weight classes, including the unified WBA (Super), IBF, and WBO heavyweight titles since 2021, and the Ring magazine heavyweight title since 2022. Previously he held the undisputed cruiserweight championship from 2018 to 2019, being the first boxer in that division to hold all four major world titles.
Beibut Amirhanovich Shumenov is a Kazakhstani former professional boxer. He is a multiple-time world champion in two weight classes, having held the WBA (Regular) cruiserweight title twice between 2016 and January 2021 and the WBA light-heavyweight title from 2010 to 2014.
Soulan James Pownceby is a New Zealand boxer who was described by TVNZ in 2004 as one of New Zealand's most exciting talents since David Tua. He is also notable for convictions for assault and manslaughter.
Grigory Anatolyevich Drozd is a Russian former professional boxer. He is the former WBC cruiserweight champion, having lost the title when he was unable to defend it due to injury and was subsequently stripped. He also is a former European cruiserweight champion.
Joseph Dennis Parker, OM is a New Zealand professional boxer. He held the WBO heavyweight title from 2016 to 2018. At regional level, he has held multiple heavyweight championships, including the WBO Oriental, Africa, and Oceania titles; as well as the PABA, OPBF, and New Zealand titles. As an amateur, he represented New Zealand at the 2010 Commonwealth Games in the super-heavyweight division, and narrowly missed qualification for the 2012 Summer Olympics.
Jai Opetaia is an Australian professional boxer who has held the IBF and The Ring world cruiserweight titles since July 2022. 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. As of February 2023, Opetaia is ranked the world's best active cruiserweight by The Ring magazine, and the Transnational Boxing Rankings Board, second by BoxRec, and third best by ESPN.
David Light is a Professional Boxer from New Zealand. He competed in the men's heavyweight division at the 2014 Commonwealth Games in Glasgow where he won the silver medal against Canada's Samir El-Mais. Light is the current WBO Global, International and Oriental cruiserweight champion.
Robert Berridge is a retired New Zealand professional light heavyweight boxer.
David Aloua is a New Zealand professional boxer. As an amateur, he competed at the 2010 Commonwealth Games.
The Super 8 Boxing Tournament is a professional boxing tournament that is held in New Zealand. Super 8 is owned by John McRae, who is the Managing director of VSLive. VS Live was formerly known as Sky Arena. Sky ARENA previously owned by SKY Television New Zealand and VADR Media. In 2015 VADR Media acquired 100% of SKY ARENA shares and relaunched as VS LIVE.
Anthony McCracken is a retired Australian professional boxer.
Daniel Ammann is a retired Australian professional boxer.
The 2017–18 World Boxing Super Series – cruiserweight division was a World Boxing Super Series professional boxing tournament that took place between September 2017 and July 2018 in several countries. The Super Series featured eight top-rated cruiserweight boxers in a single-elimination tournament. Its winner will hold world titles for all four of boxing's major sanctioning bodies, The Ring Magazine title, as well as the Muhammad Ali trophy. The tournament was organized by Comosa AG. A super middleweight tournament was held concurrently, with prize money for both competitions totalling US$50 million.
Mose Auimatagi Jnr is a New Zealand professional boxer of Samoan heritage.
Claire Hafner is a Canadian professional boxer and Opera singer. She challenged once for the WBO light heavyweight title in October 2019. As of October 2019, she is ranked as the world's fourth best active female heavyweight by BoxRec.
Lance Bryant is a retired professional boxer from Pahiatua.
Clarence Tillman
Apia, Samoa
Anthony McCracken 
Horncastle Arena, Christchurch, New Zealand
Henry Wells
Iobe Ledua
Mohamed Azzaoui 
Teka Valu