Chozen Toguchi is a fictional character who appears as the main antagonist of the motion picture The Karate Kid Part II (1986), and a supporting character of the series Cobra Kai (2021). He is portrayed by Yuji Okumoto, whose performance has received widespread acclaim.

The Karate Kid Part II is a 1986 American martial arts drama film written by Robert Mark Kamen and directed by John G. Avildsen. It is the second installment in the Karate Kid franchise and the sequel to the 1984 film The Karate Kid, starring Ralph Macchio and Pat Morita. The Karate Kid Part II follows Daniel LaRusso (Macchio), who accompanies his karate teacher Mr. Miyagi (Morita) to see his dying father in Okinawa, only to encounter an old friend-turned-rival with a long-harbored grudge against Miyagi.