United States Judo Association
- A governing body for Judo in the United States based in Colorado Springs, Colorado.
- http://usja-judo.org/

United States Yudo Association
- National Governing Body for the traditional Korean martial art of Yudo.
- http://www.usyudo.org

USA Judo
- A governing body for Judo in the United States. Member of United States Olympic Committee. Features coming events, rund raising, results, membership details, coaches, referees, kata, merchandise and links.
- http://www.usjudo.org

United States Judo Federation
- A sanctioning body for the style in the USA. Features coming events, merchandise, officers, referees, membership, links and news.
- http://www.usjf.com/

Hudson Judo Yudanshakai
- An organization of Judo schools in the New York City tri-state area. Information on tournaments and seminars.
- http://www.hudsonjudo.org