The Southern California Black Belt Association website. Provides information on SoCal news and events. Also includes a local judo club directory.

The United States Judo Federation is a non-profit organization that provides national standards and guidelines for the development of grassroots judo for its students and members.

National Governing Body for Judo. USA Judo is responsible for elite athletes of international competitive caliber.

World governing body for Judo.

A comprehensive single source for judo information on the web. It houses many articles, animations and movies of techniques, and
even a forum for judoka.

A website from Greece. It has many of the latest Judo videos. Make sure to select English (or whichever language you choose) as your language preference in the upper
right-hand corner of the home page.

A great source for Tournament Videos and real time streaming.

YouTube has many excellent user-submitted videos on judo techniques and kata.