- American Association for Nude Recreation - Florida - Regional branch of this national organization covering Florida, Mexico, and the Caribbean.
- American Association for Nude Recreation - Northwest - Branch of this national organization serving the states of Oregon, Washington, Idaho, Montana and Alaska.
- American Association for Nude Recreation - Western Region - Regional branch of this organization that serves the states of Arizona, California, Colorado, Hawaii, New Mexico, Nevada, Utah and Wyoming.
- American Nudist Research Library - Located on the grounds of Cypress Cove Nudist Resort in Kissimmee, Florida, USA, this library chronicles the history of naturism.
- Australian Nudist Federation - Organization that promotes naturism on a national scale and encourages inter-club social activities. Includes details of affiliated clubs and resorts.
- B.E.A.C.H.E.S. Foundation - A Miami Beach-based national non-profit naturist organization whose goal is to preserve, establish and educate the public about North America's clothing optional beaches.
- Back to Eden Nudists - Christian naturist group. Includes members' forum.
- Bare to Breakers - Official nude runner information for the annual run held in San Francisco, California. Includes event dates.
- Beach Front USA - An Organization devoted to keeping American beaches, rivers, springs, lakes and trails nude.
- Christian Naturist Fellowship - Organization that arranges meetings in the UK where naturist Christians can support and encourage each other.
- Federation of Canadian Naturists - Promotes nudism in Canada and represents the interests of Canadian naturists, clubs, resorts, and organizations.
- Florida Keys Naturists - Non-profit group promoting clothing optional recreation on public lands and in private businesses.
- International Men Enjoying Naturism - An informal social and recreational organization of like minded gay men. Includes details of their annual gathering in Northern Maryland, USA.
- International Naturist Federation - A worldwide organisation which works to enhance the naturist experience by promoting the benefits of naturism to the general public.
- International Naturists Association - A worldwide naturist club with nudist news, a list of INA approved resorts, and photographs.
- Italian Naturist Federation - A non profit organization that is part of the International Naturist Federation and represents the interests of Italian naturists.
- Michigan Nude Beach Advocates - Organization whose purpose is to bring about the legal and societal acceptance of public, clothing optional beaches in Michigan, USA.
- Naked In Vermont - Organization dedicated to the acceptance nudism in Vermont, USA. Includes an information library, photo gallery, message board and chat room.
- Naked Scotland - All about Scottish naturism including details of clubs, beaches and special events.
- Naturist Action Committee - Non-profit political adjunct to The Naturist Society which protects the rights and interests of naturists throughout North America.
- Naturist Christians - Organization dedicated to answering questions about naturism and its place in the Christian life. Includes a statement of faith, forum and photo album.
- Naturist Education Foundation - The non-profit informational and educational adjunct to The Naturist Society. Includes the Naturist Law Library.
- New Zealand Free Beach Group - Organization that promotes naturism in New Zealand. Includes a guide to naturist beaches, clubs and accommodation.
- New Zealand Naturist Federation - Includes directory of affiliated clubs, home stays, and subscription information for the quarterly magazine.
- OBX Nudist Club - A family oriented club that sponsoring summer get togethers on the outer banks of North Carolina.
- Oregon Clothing Optional Beach Alliance - Organization dedicated to the preservation of family oriented clothing optional recreation at Oregon's officially designated nude beaches. Includes a forum.
- South African Naturist Federation - Promoting naturism in South Africa. Includes events, a discussion forum, a picture gallery, a directory of beaches, and links to resorts and bed and breakfasts.
- Southern Tasmanian Association of Nudists - Serving families, couples and singles. Includes policies, FAQs and membership details. Located in Glenorchy, Tasmania, Australia.
- Telord - Association of Russian Naturists - Naturist association based in Moscow. Information on group philosophy, and events. [English and Russian]
- The American Association for Nude Recreation - The largest US nudist/naturist association, includes directory of member clubs and resorts as well as essays and articles on the nudist lifestyle.
- The Irish Naturist Association - Organization whose primary function is to promote naturism in Ireland. Includes details of naturist events and beaches.
- The Naturist Society - Publishers of the World Guide to Nude Beaches and Resorts and Nude and Natural magazine, The Naturist Society educates in body acceptance and promotes clothing-optional lifestyles and recreational sites.
- The Trade Association for Nude Recreation (TANR) - A trade group composed of clothing optional and nudist resorts, travel agencies, and cruise companies in the USA.
- Turkish Nudist Club - Formed to unite Turkish naturists and to affiliate with other nudist organizations such as FKK. Includes details of their annual get-together.
- Western Association for Nude Recreation - California based non-profit group whose site contains naturist philosophy, articles, news and information.
- Western Canadian Association for Nude Recreation - Includes details of nudist clubs, a quarterly newsletter and a members' forum.
- World Naked Bike Ride - International organization that co-ordinates nude cycling protests around the world. Includes details of affiliated events and how to start a new one.
- World Naked Bike Ride (Montpelier) - Organization that arranges the local ride of this international event. Details of past and future events in Montpelier, Vermont, USA.
