770 articles
John Ruiz
John Ruiz, known as "The Quietman," is an American former heavyweight boxer from Chelsea, Massachusetts, who beat Evander Holyfield in 2001 to become the first Latino world heavyweight champion.
John Ryder (boxer)
John Ryder (born 1988, Islington, London), nicknamed The Gorilla, is a retired English southpaw super middleweight, two-time interim world champion (WBA 2019, WBO 2022), who lost a 2023 undisputed title challenge to Canelo Alvarez.
Johnny Nelson
Johnny Nelson, born Ivanson Ranny Nelson in 1967, is a British former boxer from Sheffield who held the WBO cruiserweight title from 1999 to 2005.
Johnny Tapia
Johnny Tapia (1967-2012), "Mi Vida Loca," American boxer from Albuquerque who won five world titles at junior bantamweight, bantamweight, and featherweight, retired 59-5-2 (30 KOs), and was inducted into the International Boxing Hall of Fame in 2017.
Jorge Gutierrez
Jorge Gutiérrez (Jorge Gutiérrez Espinosa), Cuban boxer born 1975 in Camagüey; won 2000 Sydney Olympic gold at middleweight, beating Gaydarbek Gaydarbekov 17-15; also 1999 Pan American Games champion.
Jorge Hernandez
Jorge Hernández Padrón (Jorge Hernández), Cuban amateur boxer, 1976 Olympic light-flyweight gold medalist and 1974 inaugural world champion at 48 kg; also 1975 Pan American Games champion, later a Cuban national coach.
Jorge Linares
Jorge Linares (Jorge Luis Linares Palencia, "El Niño de Oro"), Venezuelan boxer based in Japan, three-division world champion at featherweight, super featherweight, and lightweight; 47-9, 29 KOs; retired October 2023 after loss to Jack Catterall.
José Benavidez Jr.
José Benavidez Jr., known as "El Phoenix," is a professional boxer who won the WBA interim super lightweight title before losing to Terence Crawford in 2018.
Jose Gomez
Jose Gomez (José Gómez Mustelier, born 1959, Las Tunas, Cuba), Cuban amateur middleweight boxer; 1980 Moscow Olympic champion, 1978 world champion, 1979 Pan American Games gold medalist; retired at 26.
José Pedraza (boxer)
Jose "Sniper" Pedraza (Jose Pedraza Gonzalez, born 1989) is a Puerto Rican boxer, 2008 Olympian, and former IBF super featherweight (2015-2017) and WBO lightweight (2018) world champion; record 29-7-1, 14 KOs.
José Ramírez (boxer)
José Carlos Ramírez, American boxer born 1992 in Hanford, California; 2012 Olympian and former unified WBC/WBO super lightweight world champion; lost the undisputed title to Josh Taylor in 2021; record 29-4 (18 KOs).
José Valenzuela
Jose "El Rayo" Valenzuela (born 1999), Mexican-born American southpaw boxer from Renton, Washington; WBA super lightweight champion 2024-2025 after beating Isaac Cruz, lost to Gary Antuanne Russell, avenged Edwin De Los Santos by 2026 KO.
Joseph Diaz
Joseph "JoJo" Diaz Jr. (Joseph Pedroza Diaz Jr., born 1992), American southpaw boxer from South El Monte, California; 2012 Olympian, IBF super featherweight champion 2020, record about 34-10-1 (15 KOs).
Joseph Parker
Joseph Parker, New Zealand heavyweight boxer of Samoan heritage, former WBO world champion, lost his title to Anthony Joshua in 2018, rebuilt with wins over Wilder and Zhang, and challenged IBF champion Daniel Dubois in 2025.
Josh Kelly (boxer)
Josh 'Pretty Boy' Kelly (born 1994), Sunderland British boxer, Rio 2016 Olympian, and IBF super welterweight world champion since January 2026; record 19-1-1 (9 KOs), first loss to David Avanesyan in 2021.
Josh Padley
Josh Padley, nicknamed "Paddy", is an English super featherweight boxer from Doncaster, a former electrician who fought Shakur Stevenson for the WBC lightweight title on four days' notice in 2025 and is now EBU European champion.
Josh Taylor (boxer)
Josh Taylor (born 1991), the Tartan Tornado, Scottish southpaw boxer; first UK male undisputed four-belt champion, at light-welterweight in 2021; retired 2025 with a 19-3 record due to a retinal eye injury.
Josh Warrington
Josh Warrington, "The Leeds Warrior" (born 1990, Leeds), English featherweight boxer; two-time IBF world featherweight champion (2018-2022), first world champion from Leeds; later lost to Lara, Lopez, Wood, and Cacace.
Joshua Buatsi
Joshua Buatsi, British-Ghanaian light-heavyweight boxer, Rio 2016 Olympic bronze medalist, former British champion, record 20-1 with 13 KOs, known for the 2024 win over Dan Azeez.
Jozef Grudzien
Jozef Grudzien (Józef Grudzień, 1939–2017), Polish amateur lightweight boxer, Legia Warszawa; Olympic gold Tokyo 1964 (beat Barannikov 5:0), silver Mexico 1968 (lost to Ronnie Harris), European champion 1967.
Juan Carlos Lemus
Juan Carlos Lemus García (born 1965, Pinar del Río) is a Cuban boxer, 1992 Barcelona Olympic light-middleweight (71 kg) gold medalist, 1991 world amateur champion, and 1987 and 1991 Pan American Games champion.
Juan Francisco Estrada
Juan Francisco Estrada, "El Gallo", Mexican boxer from Puerto Peñasco, Sonora; WBO/WBA flyweight champion (2013) and WBC/WBA super flyweight champion who beat Román González twice in their trilogy, later losing to Jesse Rodríguez (2024) and Tenshin Nasukawa (2026).
Juan Hernandez Perez
Juan Hernandez Perez (Juan Bautista Hernández Pérez), Cuban boxer born 1962 in Pilón, Granma; won bantamweight (54 kg) gold at the 1980 Moscow Olympics, beating Bernardo Piñango in the final, and later Central American and Caribbean Games welterweight titles.
Juan Manuel Márquez
Juan Manuel Márquez Méndez, 'Dinamita', Mexican boxer born 1973 in Mexico City; four-division world champion (featherweight to junior welterweight), 56-7-1 (40 KOs), famed for four Pacquiao fights ending in a 2012 sixth-round knockout and 2020 Hall of Fame induction.
Julian Jackson (boxer)
Julian Jackson (Julian Alexis Jackson, "The Hawk", born 1960, Saint Thomas, USVI) is a retired two-division world champion boxer, WBA junior middleweight and WBC middleweight, retired 55-6 (49 KOs), famed as one of boxing's hardest punchers.
Julio César Chávez
Julio César Chávez (born 1962, Ciudad Obregón, Sonora) is a Mexican former boxer, 107-6-2 (88 KOs), three-division world champion, unbeaten in his first 90 bouts, IBHOF inductee 2011.
Julio César Chávez Jr.
Julio César Chávez Jr. (Julio Cesar Chavez Jr.), born 1986 in Culiacán, is a Mexican boxer and son of Julio César Chávez, WBC middleweight champion 2011 to 2012, deported in 2025 to face cartel-related charges.
Julius Torma
Július Torma (1922–1991), Slovak boxer for Czechoslovakia, 1948 London Olympic welterweight gold medalist, first Czechoslovak Olympic boxing champion, 1949 European champion, later coach in Prague.
Kai Stewart
Kai Stewart, "King" Kai Stewart, American bare-knuckle boxer and first ever BKFC featherweight (145 lb) champion; undefeated 10-0, six-time defending titleholder, former Montana high school wrestling state champion, born in Kansas, fights out of Montana.
Kali Reis
Kali Reis, also known as KO Mequinonoag, is an American boxer from Rhode Island who won six world titles and became the first Indigenous woman world boxing champion.