50,115 articles
Kahoot!
Kahoot! is a game-based learning platform for creating and playing multiple-choice quiz games (kahoots) via game PIN, in schools, offices, and homes; known for live teacher-paced play, leaderboards, and meta-analyzed learning gains.
Kahuna
Kahuna (originally Arabana-Ikibiti) is a 1998 two-player abstract board game by Günter Cornett, published by Kosmos, in which players use island cards to build and destroy bridges and win majority control of twelve islands over three scoring rounds.
Kaʻimi Fairbairn
Kaʻimi Fairbairn (born 1994) is an American football placekicker for the Houston Texans, whom he joined as an undrafted free agent out of UCLA in 2016.
Kai Asakura (朝倉海)
Kai Asakura (朝倉海), born 1993, is a Japanese UFC bantamweight and former two-time RIZIN bantamweight champion who lost a flyweight title fight to Alexandre Pantoja in his UFC debut at UFC 310.
Kai Forbath
Kai August Forbath, born 1987, UCLA kicker and 2009 Lou Groza Award winner; NFL placekicker 2012-2020 for seven teams, set rookie record of 17 consecutive field goals, 86.4 percent career accuracy.
Kai Greene
Kai Greene (Leslie Kai Greene, born 1975, Brooklyn) is a retired American IFBB professional bodybuilder, three-time Arnold Classic winner (2009, 2010, 2016) and three-time Mr. Olympia runner-up (2012–2014), known for his rivalry with Phil Heath.
Kai Havertz
Kai Havertz (Kai Lukas Havertz, born 1999, Aachen) is a German forward/midfielder for Arsenal and Germany (63 caps, 25 goals). Youngest to 100 Bundesliga apps; Chelsea's £71m 2021 Champions League final match-winner; £65m Arsenal signing in 2023.
Kai Jones
Kai Jones (Kai Martinez Jones), Bahamian center-forward born 2001 in Nassau; 19th pick of 2021 NBA Draft by Knicks, traded to Hornets; later Clippers, 76ers, Mavericks, and Anadolu Efes; Big 12 Sixth Man of the Year at Texas.
Kai Kara-France
Kai "Don't Blink" Kara-France (born 1993, Auckland) is a New Zealand UFC flyweight and City Kickboxing fighter, 25-12 (1 NC), who lost interim and undisputed flyweight title fights to Brandon Moreno (2022) and Alexandre Pantoja (2025).
Kai Knechtel
Kai Knechtel (born 1980) is a German compound archer from Uelzen, listed for Great Britain in 2012, who shot the 2014 European Championships, 2015 Worlds and World Cup, and holds a WAE team record.
Kai Kroeger
Kai Kroeger (born 2002) is an American NFL punter for the Houston Texans, No. 38. A left-footed South Carolina punter (2020–24), school-record 11,823 punting yards, fake-pass threat, undrafted 2025, Saints 2025, traded to Houston 2026.
Kai Mahler
Kai Mahler (born 1995, Fischenthal, Switzerland) is a retired Swiss freestyle skier in big air, slopestyle, and halfpipe; 2012 Youth Olympic halfpipe gold medalist, 2014 Sochi Olympian, four X Games Big Air medals, two World Cup big air wins, retired 2020.
Kai Sotto
Kai Sotto (born 2002) is a 7'2"-7'3" Filipino center who played for G League Ignite (never appeared), Adelaide 36ers, Hiroshima Dragonflies, and Koshigaya Alphas, went undrafted in 2022, and stars for Gilas Pilipinas.
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.
Kai Verbij
Kai Verbij (Kai Yagi, 八木開), born 1994, is a Dutch sprint speed skater, 2017 world sprint champion with the 136.065 sprint-combination world record, and 2022 Olympic Visa Award winner for sportsmanship.
Kaija Mustonen
Kaija Mustonen (born 1941, Helsinki) is a Finnish speed skater, the most successful Finnish woman in the sport, with four Olympic medals: 1,500 m gold at Grenoble 1968, silvers at 1,500 m 1964 and 3,000 m 1968, and 1,000 m bronze 1964.
Kaïl Boudache
Kaïl Boudache, French-Algerian right winger born 2006 in Alès; OGC Nice academy product, Coupe de France finalist 2026, joined Olympique Lyonnais on a free transfer in June 2026 on a five-year contract to 2031; left-footed, Algeria U23 international.
Kaila Kuhn
Kaila Kuhn (born 2003, Boyne City, Michigan) is an American freestyle aerials skier, 2026 Olympic mixed team gold medalist, two-time 2025 world champion, and first-time World Cup winner at Lake Placid in 2026.
Kailee Wong
Kailee Wong (born 1976, Eugene, Oregon) is a former NFL linebacker, Stanford letterman, drafted 51st overall in 1998 by Minnesota; 123 games, 21.5 sacks, later a Houston Texans Ambassador.
Kaillie Humphries
Kaillie Humphries (Kaillie Simundson Armbruster, born 1985) is a Canadian-American bobsled pilot, the only three-time Olympic gold medalist in women's bobsled: two-woman golds 2010/2014 for Canada, inaugural monobob gold 2022 for the USA.
Kaima Taira
Kaima Taira (平良海馬), born 1999, is a Saitama Seibu Lions pitcher in NPB and Tokyo 2020 Olympic baseball gold medalist; 2020 Rookie of the Year, 2025 saves leader, 2026 ERA title winner at 1.36, expected MLB posting candidate.
Kain Medrano
Kain Medrano (born 2001) is a Washington Commanders linebacker, drafted 205th overall in 2025 from UCLA, where he was a captain and All-Big Ten pick; ran a 4.46-second 40-yard dash.
Kaio Almeida
Kaio Almeida (Kaio Márcio Ferreira da Costa Almeida), Brazilian butterfly swimmer born 1984 in João Pessoa; four Olympian, short-course world record holder in 50 m and 200 m butterfly, 2006 world short-course 100 m butterfly champion; distinct from the jiu-jitsu athlete Caio Almeida.
Kaique Kenji
Kaique Kenji (Kaique Kenji Takamura Correa), Brazilian left winger born 2006 in São Paulo, plays for Cruzeiro; son of ex-Brazil left-back Kléber, Brazil U20 player, contract to 2028.
Kairi (gamer)
Kairi (Kairi Ygnacio Rayosdelsol, born 2005), Filipino MLBB jungler for ONIC Esports Indonesia; first Filipino import, MPL ID S10-S13 four-peat, MSC 2023 champion, M3/M5 runner-up; distinct from CS coach David de Miguel and LoL player Võ Văn Phi.
Kairi Sane (那音琴 カイリ)
Kairi Sane (KAIRI), real name Kaori Hōsako, is a Japanese professional wrestler, 2017 Mae Young Classic winner, NXT Women's Champion, IWGP Women's Champion, and WWE Women's Tag Team Champion with Asuka in Damage CTRL.
Kaisa Mäkäräinen
Kaisa Mäkäräinen (born 1983, Ristijärvi) is a retired Finnish biathlete, the most successful in Finnish history: three overall World Cup titles (2011, 2014, 2018), 2011 pursuit world champion, 27 World Cup wins, retired March 2020.
Kaiserjass
Kaiserjass (Kaiserspiel, Kaisern, Cheisärä) is a Swiss partnership trick-taking card game for 4 or 6 players, descended from medieval Karnöffel, played with 40 or 48 Swiss cards in Nidwalden, with legal partner signaling and Kaiser betting.
Kaiserreich (video game mod)
Kaiserreich: Legacy of the Weltkrieg is the largest alternate history mod for Hearts of Iron II, Darkest Hour, and Hearts of Iron IV, asking what if Germany had won WW1; founded by Sarmatia in 2005, it offers 1936 syndicalist-Europe gameplay with nearly 200 focus trees and over a million Steam subscribers.
Kaitlin Sandeno
Kaitlin Sandeno (Kaitlin Sandeno Hogan), American swimmer born 1983 in Mission Viejo, California; four-time Olympic medalist (gold 2004 4x200 free relay world record 7:53.42, silver 400 IM, two bronzes), 1999 Pan Am double gold medalist, later DC Trident general manager.