Satoru Kitaoka (???, Kitaoka Satoru, born 4 February 1980), is a Japanese shoot wrestler and mixed martial artist who most recently competed for RIZIN.
A professional competitor since 2000, he has also competed for DREAM, Pancrase, DEEP, and World Victory Road.
Kitaoka is renowned for his Catch wrestling abilities which he learned studying under two of Japan's most respected shoot wrestlers Masakatsu Funaki and Minoru Suzuki.
He was the inaugural Sengoku Lightweight Champion as well as the former DEEP Lightweight Champion.
18 of his 20 career submission wins have ended via guillotine choke or leg lock.