Kensuke Sasaki (佐々木 健介, Sasaki Kensuke, born August 4, 1966) is a Japanese retired professional wrestler and mixed martial artist who currently runs his own agency, Diamond Ring. He is the first of two men ever to hold all three of puroresu's major heavyweight titles (the IWGP Heavyweight Championship, the Triple Crown Heavyweight Championship, and the GHC Heavyweight Championship), the other being Yoshihiro Takayama.