The Canon of Judo is a book that was originally published in 1956, and written by Kodokan 10th dan, Kyuzo Mifune (1883-1965).

(For example, "Or this is to throw him down by foot sweeping instant before his advanced-feet are fixed in order to change his position or break your balance.

To show the early origins and continuous development of the martial arts in Japan, a long list of historical text sources, people, and schools and styles are mentioned.

In the book, Kyuzo Mifune explains his metaphysical view of Judo, its role in Japanese society (and the world), and benefits to the individual player.

He discusses the role of competition in Judo, and the purpose of free practice, randori, and explains that it is an indispensable part of the sport.