Azem Maksutaj[a] is a Swiss former kickboxer who had competed in the lightweight, welterweight, middleweight, super middleweight, light heavyweight, cruiserweight and heavyweight divisions. Originally from the Kosovo,[b] he relocated to Switzerland at an early age where he began training in Muay Thai at fifteen. After capturing the Swiss national title at lightweight during his first year of competitions in 1992, he then went on to win European and world honours in 1994 while fighting around the 77 kg super middleweight mark. The late 1990s saw him move between light heavyweight and cruiserweight, taking five world titles in those divisions, before eventually making the jump to heavyweight in 2001 where he spent the remainder of his career, acting as a journeyman in the K-1 promotion while also winning four other world titles.
Yoshihiro Sato is a Japanese kickboxer competing in K-1 at middleweight (−70 kg). He is the former world champion of Muay Thai in WKA and WPKC, and he won the Japanese national tournament of K-1 twice in 2006 and 2007. His official nickname is "Mugen Sniper" which means Infinite Sniper.
Curtis Bush is an American world champion kickboxer who competed in the welterweight, super-welterweight, light-middleweight and middleweight divisions. A tall Southpaw possessing dangerous spinning back kicks and spinning back fists, Bush competed entirely under full contact rules and was a two-time Virginia state champion as an amateur before turning professional in 1983. After knocking out Robert Visitacion to become the North American welterweight champion in 1987, he went on to win five world titles in four weight classes and retired from competition in 1999.
John Wayne "The Gunslinger" Parr, also known as JWP, is a retired Australian Muay Thai fighter, kickboxer and boxer, fighting out of Boonchu Gym in Gold Coast, Queensland. He is a former 10-times World Champion and was the runner up on The Contender Asia.
Warren "Chaka Zulu" Stevelmans is a South African kickboxer, fighting out of Vos Gym in Amsterdam, Netherlands. He is the K-1 MAX Netherlands 2008 tournament champion.
Gevorg "Giorgio" Petrosyan is an Armenian-born Italian kickboxer who competes in the middleweight division. He is nicknamed "The Doctor" and noted for his supreme technical skills, ringsmanship and defensive prowess which has seen him defeat some of the best strikers in the world while taking little-to-no damage. As of September 2022, he is ranked the #5 lightweight and #6 pound-for-pound kickboxer in the world by Combat Press, and is widely regarded as one of the greatest kickboxers of all time. As of October 12, 2023, he is ranked #5 in the ONE Featherweight Kickboxing rankings.
Petar Majstorovic, is a Swiss karateka and kickboxer. He was a two-time World Kickboxing Network (W.K.N.) World Champion and two times K-1 preliminary tournaments champion in Croatia and Germany. He trained with Andy Hug from 1992 to 2000.
Yohan Lidon is a French Muay Thai kickboxer. He is a 3-time world champion in Muay Thai and kickboxing - including being the first ever It's Showtime 73MAX world champion.
Karim Ghajji, is a French-Moroccan kickboxer and B-boy. He is a former Glory Welterweight Championship challenger.
Dmitry 'Black Valet' Valent is a Belarusian Muay Thai middleweight/super middleweight kickboxer. He is the former WKN Middleweight Oriental rules and Muay thai champion, former WMC Light Heavyweight champion, two time WMC I-1 World Muaythai Grand Slam champion and two time Kunlun Fight 80kg tournament runner-up.
Grégory Tony is a French heavyweight kickboxer and professional boxer fighting out of Paris. He is a three time French kickboxing champion, three time French muaythai champion, one time French boxing champion, two time European kickboxing champion, one time Intercontinental muaythai champion and two time muaythai world champion.
Yuri Gorbachev, better known as Yuri Bessmertny, is a Belarusian Muay Thai kickboxer who competes in the middleweight and super middleweight divisions. After taking up Muay Thai at thirteen years old, he began his career in 2004 and rose to prominence by becoming a five-time national champion at both amateur and professional levels. Having established himself domestically, he then went on to win numerous European, intercontinental and world titles while fighting mostly in the former Soviet Union. In 2011, he won the Fight Code Dragon Series tournament featuring sixteen top 72.5 kg/160 lb fighters from around the world to break into the middleweight elite.
Armen Petrosyan is an Armenian-born Italian kickboxer who competes in the middleweight division. An aggressive fighter, Petrosyan began training in Muay Thai after moving to Italy from Armenia. Petrosyan and his brother Giorgio Petrosyan were put under contract with Oktagon management, he became a two-time Italian champion and a European titleist before arriving on the world stage in 2010 when he took back-to-back wins over Vuyisile Colossa and Dzhabar Askerov and later appeared as a competitor on the Enfusion reality television show. In March 2013, he won the eight-man Haarlem Fight Night IV tournament in the Netherlands to be crowned the WMTA World Super Welterweight Champion.
Amansio Andrei Paraschiv is a Romanian professional kickboxer and boxer. He won back to back gold medals in the WAKO European Championships, and is the current SUPERKOMBAT Middleweight Champion. Paraschiv became champion on 12 November 2016 after defeating former It's Showtime 69MAX champion and reigning title holder Chris Ngimbi.
Nicolas Wamba-Barzic, is a French heavyweight boxer and former kickboxer, former WKN World Super Heavyweight Kickboxing Champion. As of 2017, he was ranked the #17 heavyweight in the world by GLORY. He is the son of Anaclet Wamba
Yoann Bernard Kongolo is a Swiss boxer and Muay Thai kickboxer of DR Congo descent who competes in the welterweight division of Glory. He has also competed for SUPERKOMBAT.
Siniša Kovačić is a former Croatian bantamweight kickboxer fighting out of Varaždin, Croatia.
Gary Hamilton is a Northern Irish kickboxer, who is a former WKN World Full Contact champion in two weight-classes, featherweight and lightweight.
Youssef Boughanem is a Moroccan-Belgian Muay Thai and kickboxer, who has held WKN super welterweight Muay Thai title. He is also a former Lumpinee Stadium, Rajadamnern Stadium and WBC Muay Thai World Middleweight Champion. Boughanem currently trains out of the Petchsaman Gym in Thailand.
The 2023 season was the 21st season of competitive kickboxing in Romania.
Italian 
