Jeffrey Christopher Horn Jr. (born 4 February 1988) is an Australian professional boxer who held the WBO welterweight title from 2017 to 2018. A former school teacher, Horn rose through the domestic amateur ranks to represent Australia as an amateur at the 2012 Olympic Games in London (United Kingdom), later turning professional and establishing himself on the international scene. His victory over Manny Pacquiao in July 2017 brought him global attention, while his loss to Terence Crawford in June 2018 ended his reign as WBO champion.
Early life and background
Horn was born in Brisbane, in the Australian state of Queensland. He balanced early boxing with study and work and for several years worked as a school teacher before committing full time to professional boxing. His background outside the sport — particularly his teaching career — contributed to his public profile and helped make his rise to a world title a prominent national story.
Amateur career and the 2012 Olympics
Competing in the light-welterweight division, Horn won selection for the Australian Olympic team and boxed at the 2012 Summer Olympics. He reached the quarter-final stage at those Games, a performance that raised his national profile and provided experience against international opposition. The Olympic experience is widely credited with helping him adapt his style and prepare for the professional ranks.
Professional career and world title
Horn turned professional after the Olympics and progressed through the welterweight division, fighting primarily in Australia before earning higher-profile international opportunities. In July 2017 he defeated veteran champion Manny Pacquiao to claim the WBO welterweight title in a bout staged in his hometown. The decision produced extensive media discussion and debate about judging and home advantage, but it made Horn a world champion and raised his standing within the sport.
Horn's tenure as champion lasted until June 2018, when he was defeated by Terence Crawford, an accomplished and highly regarded opponent. Crawford stopped Horn to take the WBO title and handed Horn his first professional loss. After the Crawford fight, Horn remained active on the regional scene and sought to rebuild his position among the division's contenders.
Notable bouts after the title loss
On 30 November 2018 Horn fought fellow Australian and former world champion Anthony Mundine, finishing the bout by first-round knockout in 96 seconds. That result reaffirmed Horn's status as a leading figure in Australian boxing, even after his world title run had ended. Over the following years he continued to accept significant challenges and remained a visible participant in high-profile domestic and international contests.
Fighting style and reception
Horn is typically described as a pressure fighter who works to close distance, apply relentless body and head attack, and fight effectively at close range. Observers have noted his fitness, determination and capacity to force engagements where he can use strength and volume of punches. Critics have at times questioned aspects of his defence and range, while supporters point to his work ethic, tactical adaptation and resilience as reasons for his notable results.
Legacy and significance
Horn's progression from schoolteacher to world champion made him a popular and sometimes polarising figure in Australian sport. His unexpected victory over Pacquiao and the debates it prompted highlighted broader issues in boxing such as scoring transparency and the role of venue. Within Australia he is remembered as one of a handful of recent domestic fighters to win a major world title, and his career has encouraged attention to boxing at state and national levels.
Personal life
Horn married Joanna in September 2014 and the couple had a daughter in December 2017. He has maintained ties with community programs and local sporting initiatives in Brisbane and across Queensland, and he has occasionally been involved in coaching and public appearances related to boxing and youth development.
Selected fights
- Jeff Horn vs Manny Pacquiao (2017) — won WBO welterweight title.
- Jeff Horn vs Terence Crawford (2018) — lost WBO title.
- Jeff Horn vs Anthony Mundine (2018) — first-round knockout (96 seconds).
- 2012 Olympic Games (London) — represented Australia as an amateur.
For detailed fight records, dates and scorecards consult official sanctioning bodies and recognised boxing databases. Contemporary news reports and national sporting organisations provide further context on Horn's career, training, and post-title activities. Additional background material and updates can also be found through national media coverage and published interviews that followed his high-profile fights.