Rorion Gracie (Portuguese: ; born January 10, 1952) is a Brazilian American Brazilian Jiu-Jitsu Grand Master, a prominent member of the Gracie family, writer, publisher, producer, lecturer, and the co-founder of the Ultimate Fighting Championship. He is the oldest son of Hélio Gracie and one of the few people in the world to hold a 9th degree red belt in Brazilian Jiu-Jitsu, and is widely recognized as one of the men responsible for introducing Gracie/Brazilian Jiu-jitsu to the United States and the world following the arrival of first cousin, Carley Gracie in 1972.
Rorion started Jiu-Jitsu at a young age, doing demonstrations and classes. He spent his youth learning how to teach under the tutelage of his father, Grand Master Hélio Gracie. In December 1969, he travelled to the United States for a vacation returning to Brazil in the end of 1970. He attended the Federal University of Rio de Janeiro, graduating with a degree in Law.