International Human Powered Vehicle Association (IHPVA)
An association of national associations and organizations, dedicated to promoting improvement, innovation and creativity in the use of human power, especially in the design and development of human-powered vehicles.

British Human Power Club
Fosters all aspects of human-powered vehicles for competitive, recreational and utility activities, stimulates innovation in design and development, and promotes the use of HPV's in a wide range of activities.

HPV Belgium
HPV Belgium is a member of the Royal Belgium Cycling Association, whose goal is to promote human powered vehicles (land, water and air).

HPV Canterbury
A group of people in and around Christchurch, New Zealand, with a common interest in making and using human powered vehicles.

HPV Club Denmark
Promotes interest in human powered vehicles in Denmark. Events and results, history and general information. [Dansk, Deutsch, English]

Human Powered Vehicle Association (HPVA)
The United States sanctioning body for races and other sporting events and for new records in human powered land, water and air vehicles.

Human Powered Vehicles of Southern Ontario
Membership organization of human-powered vehicle enthusiasts. Site provides photos, articles, record attempts and general information.

Michigan Human Powered Vehicle Association
Features information on the group, its activities, and related resources and links.

Minnesota Human Powered Vehicle Association (MnHPV)
Features support and networking for HPVers and 'bent riders. Includes homegrown recumbent photos, events calendar, and contact details.

Oregon Human Powered Vehicles
Recumbent riding club serving Oregon and Southwest Washington. Provides links to other recumbent sites and FAQs.

WISIL HPVers Human Powered Vehicles
Wisconsin and Illinois based HPV riders and racers gather and learn to build racing recumbent bicycles and human powered vehicles.