Guy Mezger
American mixed martial artist
ガイ・メッツァー
- Born
- 1 January 1968, Houston
- Citizenship
- United States
- Sport
- karate, mixed martial arts
- Occupation
- mixed martial arts fighter, kickboxer, karateka, judoka
- Height
- 185 cm (6 ft 1 in)
- Weight
- 92 kg (202 lb)
- Team / club
- Lion's Den
Guy Mezger (born January 1, 1968) is an American martial artist, who competed in professional combat sports including sport karate (he is in the Sport Karate Museum Hall of Fame) full contact karate, kickboxing, and boxing, but is most recognized as a mixed martial arts (MMA) fighter. Mezger retired from professional competition on January 25, 2005. He is associated with Lion's Den and runs their school in Dallas. Mezger was a champion in mixed martial arts in two different promotions, the UFC and Pancrase. He holds wins over Tito Ortiz, Masakatsu Funaki, Yuki Kondo, Semmy Schilt, and Minoru Suzuki.
Mezger has trained with many great martial arts competitors and trainer/instructors; his main trainers have been Vince Tamura (judo), Willie Thompson (wrestling), Billy "Jack" Jackson (kickboxing), and Ken Shamrock (shootfighting). Mezger has co-written a book, The Complete Idiot's Guide to Kickboxing; he had an uncredited speaking role in the first-season episode of Walker, Texas Ranger titled "Night of the Gladiator".
External links
Facts from Wikidata Q6481363 (CC0); quoted introduction from English Wikipedia (CC BY-SA 4.0). Data retrieved 2026-10-22.
Data: Wikidata (CC0 1.0); Wikipedia (English) (CC BY-SA 4.0). Retrieved 2026-10-22.