Ray Sefo is a New Zealand fight promoter and retired kickboxer, boxer, and mixed martial artist of Samoan descent. He was the K-1 World Grand Prix 2000 Runner Up, is a six-time Muay Thai World Champion, and was an eight time K-1 World Grand Prix Finals tournament participant. He is the president of MMA promotion Professional Fighters League. In kickboxing, he defeated world champions Jerome Le Banner, Peter Aerts, Stefan Leko, Mike Bernardo, and Mark Hunt. He is widely considered to be one of the greatest heavyweight kickboxers to have never won the K-1 World Grand Prix.
Ruslan Savelyevich Karaev (Karayev) is a Russian-born kickboxer of Ossetian origin. He is K-1 World GP 2005 in Las Vegas and K-1 World Grand Prix 2008 in Taipei tournament champion. He joined the Golden Glory's K-1 stable, training under Cor Hemmers.
Magomed "The Propeller" Magomedov is a Russian former kickboxer fighting out of Chinuk Gyn from Minsk, Belarus. He was six time amateur Russian kickboxing champion and the professional WMC and IMF Light Heavyweight World Muay Thai Champion.
Martin Holm was a Swedish Muay Thai kickboxer and former WMC Muaythai World Champion. In K-1 he fought against some of the biggest stars at the time, like Ernesto Hoost, Ray Sefo, Michael McDonald and Glaube Feitosa.
Björn Heinrich Walter Bregy is a Swiss heavyweight kickboxer, European Yoseikan Budo Champion and K-1 Europe 2006 in Amsterdam tournament Champion. He holds notable wins over Gokhan Saki, Ray Sefo, Alexander Ustinov, Freddy Kemayo (twice), and Alexey Ignashov.
Marcus Öberg is a Swedish middleweight Muay Thai kickboxer fighting out of Malmö Muay Thai Gym in Malmö. He is former two time Swedish champion and K-1 Scandinavia MAX 2008 tournament winner.
Serhiy Lashchenko, also spelled as Sergii Lashchenko and Sergei Lascenko, was a Ukrainian kickboxer. He was a K-1 and Superkombat Heavyweight.
Priest Tyron Thomas West is a German light heavyweight kickboxer, currently competing in Muay Thai. He is a former WMC European Muay Thai Champion, IKBF European Champion, IKBF World Champion K1 and WKA World Champion K1.
Daniil Sapljoshin is an Estonian heavyweight kickboxer.
Sem "Semtex" Braan is a Dutch Muay Thai super middleweight kickboxer fighting out of Amsterdam, Netherlands for Mejiro Gym. He is the 2008 It's Showtime Reality Show winner currently competing in the It's Showtime 77MAX division.
Alexei Alexandrovich Kudin is a professional Belarusian kickboxer, nicknamed Brick. He is a world champion and European versions WBKF, King of Kings – Grand Prix K-1 tournament finalist, which was held December 16, 2010, in Odintsovo. In addition to competition in kickboxing, Alexei Kudin had many professional fights in mixed martial arts.
Emil Zoraj is a Croatian Light heavyweight kickboxer fighting out of Zagreb, Croatia. In his career he was double WKA thaiboxing world champion, It's Showtime 75MAX trophy Tilburg tournament champion, WBC Muaythai intercontinental champion and OPBU Euro-African muaythai champion.
Sergiano Herbert Cairo, better known as Redouan Cairo is a Surinamese-Dutch kickboxer fighting in the Superkombat Fighting Championship where he is the 2013 Superkombat World Grand Prix Tournament Runner-up. Also a Mixed martial artist, he is a former WAKO-Pro world cruiser heavyweight K-1 rules -94.1 kg champion.
Artem Olegovich Vakhitov is a Russian Muay Thai kickboxer who competes in the cruiserweight and heavyweight divisions. Having begun practicing Muay Thai at eleven years old, Vakhitov first came to prominence due to a successful amateur career by winning three world championships as well as taking gold in 2013 at the World Combat Games and silver in 2010. He turned professional in 2009, and signed with Glory in 2013, where he would twice be crowned the Glory Light Heavyweight champion.
Turpal Tokaev is Russian kickboxer and actor of Chechen descent. Also known as Bahadir Sari and Theodore Sariyev, ISKA oriental kickboxing rules heavyweight world champion in 2010.
Dmitri Bezus, also spelled as Dmytro Bezus, is a Ukrainian heavyweight professional boxer and kickboxer, managed by WKN Top Team. As a kickboxer, Bezus has fought for Kunlun Fight, Glory, and K-1.
Alexander Oleinik is a Ukrainian professional Kickboxing and Muay Thai fighter who competes in the middleweight, light heavyweight and cruiserweight divisions. He has begun practicing Kyokushin Karate in early childhood at the age of six. Shortly he became a Ukrainian champion in the youth division. At the age of 17 he started practicing Muay Thai.
Iraj Azizpour is an Iranian heavyweight kickboxer. He is the former Kunlun Fight heavyweight kickboxing champion, and was ranked among the top 10 kickboxers in the world in 2018 by Liver Kick, as well as being ranked in the top ten by Combat Press between March 2018 and March 2019.
Josefine Lindgren Knutsson is a Swedish kickboxer and mixed martial artist. She is the former Battle of Lund Flyweight champion and the 2019 K-1 Flyweight Grand Prix finalist.
Swedish 
