Mario Yamasaki

Brazilian martial artist

Born

22 April 1964, São Paulo

Citizenship

Brazil

Sport

judo

Occupation

judoka, mixed martial arts referee

Mario Yamasaki (born April 22, 1964) is a Brazilian mixed martial arts referee licensed in many states, most recognizable from his duties with the Ultimate Fighting Championship (UFC), as well as founder and chief instructor of the International Yamasaki Academy. Yamasaki is a veteran of over 490 fights in the UFC, Strikeforce, WEC, EliteXC and Pride Fighting Championships.

External links

• Wikipedia
• IMDb
• Wikidata

Facts from Wikidata Q10326484 (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.