Sonny Bill Williams net worth stems emerges from his former rugby football career and his current boxing career. He is a New Zealand professional boxer. Formerly, he played in the rugby league football and the rugby union football.
The estimated Sonny Bill William net worth
Sonny Bill Williams net worth is estimated at $25 million according to Celebrity Net Worth. His time playing in the rugby league and rugby union aw well as his ongoing boxing career, account for this value.
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Career highlights
Rugby football
He was first discovered while playing for the Marist Saints juniors in Auckland and was recruited by the Canterbury-Bankstown Bulldogs rugby league club as a teenager. As a result, he became the youngest player ever to sign with an National Rugby League (NRL) club.
At 18 years old, he debuted in the NRL and for the New Zealand Kiwis, quickly becoming their youngest ever Test player. That same year, he won an NRL Premiership with the Canterbury-Bankstown Bulldogs.
His first debut season earned him the RLIF International Newcomer of the Year Award and a place in Rugby League World’s, World XIII. Going forward, he re-signed with the team again and finished as one of the most dynamic forwards.
In 2013, he signed with the Sydney Roosters rugby league football club in the NRL. He helped the team claim both the NRL minor premiership and the 2013 Grand Final. Additionally, he also earned Man of the Match honors and the Jack Gibson Medal as Club Player of the Year.
Internationally, he played in the 2013 Rugby League World Cup and scored a hat-trick against Papua New Guinea. He was also named the RLIF International Player of the Year.
Later on, he joined the Canadian rugby league team, Toronto Wolfpack RLFC in 2019. He returned briefly to the Sydney Roosters in 2020 before retiring from rugby league.
Rugby Union
Sonny Bill Williams rugby union career began in 2008 when he joined the French club, Toulon. He helped Toulon reach the 2010 European Challenge Cup final. He later signed with the New Zealand Rugby Union and joined Canterbury and then later the All Blacks.
In 2011, he played for the Crusaders contributing significantly to their run to the Super Rugby final. He went on to help New Zealand win the 2011 Rugby World Cup. He achieved this by scoring three tries and becoming one of the few athletes to have represented the country in both rugby codes.
In 2012, he joined the Chiefs, where he won the Super Rugby title, becoming only the fourth athlete to win both an NRL and Super Rugby championship. His season statistics were most offloads, most tackle busts, and numerous try assists.
He shone again at the 2015 Rugby World Cup, helping the All Blacks defend their title. He also represented New Zealand in rugby sevens, including at the 2016 Rio Olympics.
Later on, he joined New Zealand’s the Blues, in the Super Rugby. He played in their 2017 victory over the British and Irish Lions.
He concluded his career at the 2019 Rugby World Cup, where New Zealand finished third, ending his international journey as a dual World Cup winner and one of the sport’s most decorated and versatile athletes.
Boxing
Sonny Bill Williams began his professional boxing career in May 2009. He started by defeating Garry Gurr via second round technical knockout (TKO) in Brisbane. Next, in June 2010, he defeated Ryan Hogan by TKO after just two minutes and thirty five seconds.
His third professional fight took place in January 2011 against Australian Scott Lewis, marking his first time as the main event. He won by unanimous decision and also donated hundreds of tickets and his signed gloves to raise funds for flood victims.
Later on, he fought against Tongan Alipate Liava’a in June 2011 and won by unanimous decision. The match raised significant funds for Christchurch earthquake relief, with him donating NZ$100,000, one of the largest single contributions by an athlete to the cause.
On 8 February 2012, he claimed the New Zealand Professional Boxing Association Heavyweight Championship, his first professional title by defeating American Clarence Tillman III via first round TKO.
His most high-profile fight followed in February 2013 against veteran South African boxer Francois Botha for the WBA International Heavyweight Title. He won by unanimous decision.
Later that year, he paused his boxing career to focus on rugby and was stripped of his two titles in December 2013 due to inactivity.
He returned to the ring on 31 January 2015, defeating the American Chauncy Welliver by unanimous decision. Afterwards, he defeated Waikato Falefehi by unanimous points decision, despite being knocked down in the second round, the first knockdown of his career.
In March 2022, he knocked out former AFL player Barry Hall via first round TKO, one of the fastest wins of his career.
His most recent fight, on 16 July 2025, ended in a narrow split decision loss to Paul Gallen. Currently, his professional boxing record is 9 wins and 2 losses.
Conclusion on Sony Bill Williams net worth
Overall, Sonny Bill Williams’ career showcases rare versatility and excellence across rugby league, rugby union, and boxing. He won national and international titles, multiple premierships, and world championships, earning recognition for his discipline and charitable spirit.
Featured image: Sonny Bill Williams on Instagram
