Riki Takeuchi is a Japanese actor best known for his roles in v-cinema yakuza movies.
Takeuchi has starred in many yakuza films and action films, such as Dead or Alive by Takashi Miike. Takeuchi also starred in Battle Royale II: Requiem, in which he played a fictionalized version of himself.
Takeuchi had also a short stint at the end of the professional wrestling promotion Hustle in 2009, posing as a villainous character based on himself called "King RIKI". The same year, Takeuchi recorded with Avex Group a version of Morning Musume's "Love Machine" for the song's tenth anniversary, appearing under his RIKI persona along with wrestlers Riki Choshu and Yoshihiro Takayama.