Murilo Rua (; born May 22, 1980) is a retired Brazilian mixed martial artist who fought in Pride Fighting Championships. Nicknamed Ninja, he is the older brother of former UFC Light Heavyweight Champion Mauricio "Shogun" Rua. He is known for his aggressive Muay Thai style. Rua is a veteran of Pride Fighting Championships, where he once enjoyed a reputation as one of the best pound for pound middleweights in the world. Rua regularly fought at 185 pounds, but has also fought at 205 pounds and heavyweight. He is the former (and first ever) Elite XC middleweight champion. He also had a successful career in British MMA appearing on both Cage Rage and BAMMA cards. He is of Portuguese and Italian descent, but was born in Brazil.