Combat sports and professional wrestling

Khasan Baroyev

Khasan Baroyev (Хасан Махарбекович Бароев), Russian Greco-Roman wrestler born 1982 in Dushanbe; 2004 Olympic super-heavyweight champion, 2008 silver stripped for turinabol, two-time world champion.

Khasan Khalmurzayev

Khasan Khalmurzayev (Хасан Магометович Халмурзаев), Russian judoka born 1993 in Nazran, 2016 Olympic champion at -81 kg, 2010 Youth Olympic silver medalist, European champion, retired 2025.

Kick: a strike delivered with the leg or foot in combat sports like Taekwondo, Muay Thai, kickboxing, karate, and MMA. Measured foot velocities reach 18.3 m/s (roundhouse) and impact forces up to 9015 N (side kick).

Kickboxer (1989 film)

Kickboxer (1989) is an American martial arts film directed by Mark DiSalle and David Worth, starring Jean-Claude Van Damme as Kurt Sloane, who trains in Muay Thai to avenge his paralyzed brother against Tong Po; $4.8 million budget, $15 million gross.

Kickboxer: Vengeance

Kickboxer: Vengeance is a 2016 American martial arts film, a remake of the 1989 Kickboxer, directed by John Stockwell, starring Alain Moussi as Kurt Sloane, Dave Bautista as Tong Po, and Jean-Claude Van Damme as Master Durand; released September 2016, grossing $287,779 worldwide.

Kickboxing

Kickboxing: stand-up combat sport combining boxing punches with karate-derived kicks, named in 1960s Japan by Osamu Noguchi (WKBA); American full-contact karate from 1970; WAKO (founded 1977, Berlin) governs the amateur sport in 130 nations; K-1 rules dominate professionally.

Kiera Hogan

Kiera Hogan (born 1994, Decatur, Georgia) is an American pro wrestler, three-time TNA Knockouts Tag Team champion as Fire 'N Flava with Tasha Steelz; re-signed to TNA in August 2026 after AEW.

Kilian le Blouch

Kilian le Blouch is a French judoka, born in 1989, who competed in the half-lightweight division at the Rio 2016 and Tokyo 2020 Olympic Games.

Killer Kowalski

Killer Kowalski, born Edward Władysław Spulnik, was a Canadian professional wrestler from 1947 to 1977, known for the Iron Claw hold and for training Triple H.

Killian Dain

Killian Dain is the ring name of Damian Mackle, a Northern Irish professional wrestler who competed for WWE on the NXT and SmackDown brands from 2016 to 2021.

Kim Duk-koo (김득구)

Kim Duk-koo (김득구, also Deuk Koo Kim), 1956-1982, South Korean lightweight boxer who died five days after a 14th-round knockout by Ray Mancini on November 13, 1982 at Caesars Palace, prompting boxing's shift from 15 to 12 championship rounds.

Kim Gwang Seon

Kim Gwang Seon (김광선, Kim Kwang-Sun), born 1964, South Korean boxer; 1988 Seoul Olympics flyweight gold medalist, beating Andreas Tews; earlier 1984 Olympian, 1986 Asian Games champion, later a short professional career.

Kim Gyeong-Hun

Kim Gyeong-Hun (김경훈, Kim Kyong-Hun), born 1975, South Korean taekwondo athlete; won the men's heavyweight (+80 kg) gold at Sydney 2000, taekwondo's Olympic debut, beating Daniel Trenton 6-2 in the final.

Kim Hyeon U

Kim Hyeon U (김현우, Kim Hyeon-Woo), born 1988, South Korean Greco-Roman wrestler; 2012 London Olympic 66kg gold, 2013 world 74kg champion over Vlasov, 2016 Rio bronze.

Kim Il Ong

Kim Il Ong (김일), born 1971, North Korean freestyle wrestler; won Olympic light-flyweight (48 kg) gold at Barcelona 1992 and Atlanta 1996, first PRK athlete with back-to-back Olympic titles; 1991 world silver; later wrestling official.

Kim Jae Beom

Kim Jae Beom, also romanized Kim Jae-Bum, is a South Korean judoka who took half-middleweight silver at Beijing 2008 and gold at London 2012, beating Ole Bischof in both finals.

Kim Jeong Hwan

Kim Jeong Hwan, born 1983, is a retired South Korean sabre fencer who won four Olympic medals, including team gold at London 2012 and Tokyo 2020.

Kim Ji Yeon

Kim Ji Yeon (김지연, born 1988, Seoul) is a South Korean sabre fencer; 2012 Olympic individual sabre champion, 2020 team bronze medalist, and multiple world and Asian Games team medalist.

Kim Mi Jeong

Kim Mi Jeong (김•미정, also Kim Mi-Jung), South Korean judoka born 1971; won half-heavyweight (≤72 kg) gold at the 1992 Barcelona Olympics, 1991 world title, 1994 Asian Games gold, later national women's head coach.

Kim So Hui (olympedia 130972)

Kim So-Hui (김소희), born 1994, South Korean taekwondo fighter; gold in women's flyweight (-49 kg) at Rio 2016, two-time world champion, distinct from the alpine skier of the same name.

Kim Song Guk

Kim Song Guk: name shared by two North Korean Olympians, boxer Kim Song-Guk (born 1984, featherweight silver, Athens 2004) and pistol shooter Song Guk Kim (born 1985, 50 m pistol bronze, Rio 2016, 10 m air pistol world record 246.5).

Kim Yeong Ho

Kim Yeong Ho (김영호, born 1971, Nonsan) is a South Korean foil fencer; Olympic gold medalist in men's individual foil at Sydney 2000, with World Championship and Asian Games medals.

Kim Yu Jin

Kim Yu Jin (김유진), born 2000, South Korean taekwondo fighter in women's -57 kg; won gold at Paris 2024 Olympics as world No. 24, fourth Korean champion in the class, silver at 2025 Worlds.

Kimber Lee

Kimber Lee (Kimberly Ann Green, née Frankele, born 1990) is a retired American professional wrestler, first female CHIKARA Grand Champion, WWE's Abbey Laith, and an Impact Wrestling alumna.

Kimberly Page

Kimberly Page (Kimberly Lynne Bacon, born 1970, Chicago) is an American former WCW valet and dancer, Diamond Dallas Page's valet and wife, and founder-leader of the Nitro Girls (1997–1999), later a film actress.

Kimbo Slice

Kimbo Slice (Kevin Ferguson, 1974-2016), Bahamian-born Miami street fighter turned MMA heavyweight; YouTube brawling fame, EliteXC on CBS, UFC TUF 10, Bellator; 5-2 record; died of congestive heart failure at 42.

Kimia Alizadeh

Kimia Alizadeh (کیمیا علیزاده زنوزی), born 1998 in Karaj, Iran, is a taekwondo athlete, first Iranian woman to win an Olympic medal (Rio 2016 bronze), who defected in 2020, competed for the Refugee Team in Tokyo, and won bronze for Bulgaria at Paris 2024.