Hidehiko "Hidy" Ochiai (Japanese: 落合秀彦, born September 27, 1939) is a Japanese-born martial arts instructor, author, and actor. He is credited with establishing the Washin-Ryu style of karate in the United States in 1966.^[1] He was the winner of the United States Grand National Karate Championship five consecutive times.^[2] Ochiai was inducted into the Black Belt Hall of Fame twice—as Instructor of the Year for Japanese Arts in 1979 and as Man of the Year in 1980.^[3] He resides in Vestal, New York.

Ochiai is the author of several self-defense books, and has also translated Miyamoto Musashi's The Book of Five Rings. His entire published works are:

• The Essence of Self-Defense
• Hidy Ochiai's Living Karate
• Hidy Ochiai's Self-Defense for Kids: A Guide for Parents and Teachers
• Hidy Ochiai's Complete Book of Self-Defense
• A Way to Victory: The Annotated Book of Five Rings

The following is a list of magazines that have featured Ochiai.

• Martial Arts Professional, Feb. 2006, vol. 11 no. 2
• Black Belt, Oct. 1991, vol. 29 no. 10
• Karate Illustrated, Jan. 1984, vol. 15 no. 1
• Official Karate Annual, Spring 1982
• Kick Illustrated, Jan. 1982, vol. 3 no. 1
• Black Belt, July 1980, vol. 18 no. 7
• Official Karate, Jan. 1977, vol. 9 no. 67
• Black Belt, Dec. 1976, vol. 14 no. 2
• Karate Illustrated, Feb. 1975, vol. 6 no. 2
• Official Karate, Feb. 1974, vol. 6 no. 33

• Official website
• Hidy Ochiai at IMDb