Crouch Valley Koi Club
- Photographs of Koi and ponds, club information and upcoming events. South Essex, UK.
- http://www.crouchvalleykoi.co.uk/

Koi Clubs USA
- Dedicated to the koi and water garden hobbyist. Provides club locator, resources, and instruction for Koi raising and pond building.
- http://www.koiclubsusa.com/

Nottingham & District Koi Keepers
- Includes photo gallery, forum, news, event calendar, and classified ads.
- http://www.koi-club.co.uk/

The British Koi Keepers' Society - Ireland Section
- Information includes forum, events, shows, Koi diseases, and member ponds.
- http://www.koi-ireland.co.uk/

East Pennine Koi Club
- Includes location and meeting times, events, news, pond visit photos, and shows.
- http://www.eastpenninekoi-club.co.uk/index.html

Bristol & West Koi Club
- An open organization that exists to provide members with an interest in Koi carp a facility to meet, discuss and organize Koi related events.
- http://www.bristolandwestkoiclub.co.uk/

Birmingham & West Midlands Koi Club
- Offers photos of show winners, articles, events, a newsletter, and individual member ponds.
- http://www.koiclub.btinternet.co.uk/

The British Koi Keepers' Society
- Formed for the exchange of Koi keeping information, through social events and a monthly magazine. Offers photo gallery, blogs, forum, Koi dictionary, articles, and FAQ.
- http://www.bkks.co.uk/

North Wales Koi Club
- Meeting information, club goals, membership and contact details. Rhaullt, Denbighshire.
- http://www.northwaleskoi.co.uk/

North East Koi Club
- Club history, events, heating advice, and photos of members' ponds. Tyne and Wear, U.K. I.E. browser required.
- http://www.northeastkoiclub.co.uk/

Las Vegas Koi Club
- Pond photos, meeting information, president's message, Koi health alert, members' area. NV.
- http://lasvegaskoiclub.com/cms/mos/Frontpage/

Charleston Showa Koi Club
- Club activities and recent events, meeting information, ponds and fish photos. Charleston, SC.
- http://www.charlestonshowakoiclub.org/index.htm

British Koi-Keepers' Society
- Meeting information, and BKKS committee details.
- http://bkks.org.uk/

Koi Fun
- Koi forum for Vancouver, B.C. and Western Canada enthusiasts.
- http://koifun.com

Northern Koi Club
- Meeting details, articles on pond construction and Koi health, and a gallery. Salford, Manchester, UK.
- http://homepage.ntlworld.com/dmd/

South Hants Section BKKS
- Provides an event calendar, photos of members' ponds, and society details.
- http://www.southhantsbkks.co.uk/

Mid-Columbia Koi and Pond Club
- Includes a gallery, events list, news, links, sponsors, and classifieds. Southeastern WA.
- http://www.midcolumbiakoi.org

Pioneer Valley Water Garden and Koi Club
- Listing of club officers, meeting schedule, pond tour photos, and a membership application. Serves western Massachusetts and northern Connecticut.
- http://www.pioneervalleypondclub.com/

Northants Koi Club
- Public and members only information regarding the hobby of koi and pond building. Northamptonshire, UK.
- http://www.northantskoiclub.org.uk

Canada Koi Club of British Columbia
- Club history, newsletter, membership form, and photos of members' ponds.
- http://www.canadakoiclub.ca/

Tulsa Koi Society
- Monthly meeting details, events calendar, contact information and links. Tulsa, OK.
- http://www.koitulsa.org/

Koi Society Of Australia
- Events calendar, FAQ, and filtration, feeding, and useful info pages. N.S.W., Australia.
- http://www.ksakoi.com/

Ohio Koi Club
- Club information, and Koi articles.
- http://members.core.com/~klee365/koiclub.html

Zen Nippon Airinkai
- World-wide list of shows, Koi varieties descriptions with photos. Branches throughout Japan.
- http://www.zna.jp/

Oregon Koi and Watergarden Society
- History, contacts, show results and photos.
- http://www.oregonkws.org/

Niagara Frontier Koi and Pond Club
- Events calendar, AKCA Seminar 2006 details, articles, and a for sale page. N.Y.
- http://www.nfkpc.org/

Florida East Coast Koi and Water Garden Society
- Pond tour photos, membership and meeting information. Flagler, Volusia, Lake, and Brevard Co.
- http://www.floridakoi.org/

Zen Nippon Airinkai: Southern California Chapter
- Meeting details, newsletter, membership application form, and links.
- http://www.home.earthlink.net/~filmlabrat/

Midland Koi Association
- Club information, newsletter, and a slideshow of Koi. U.K.
- http://www.midlandkoi.co.uk/

Koi Society of Western Australia
- Meeting information, newsletter, and forum.
- http://www.koiclubwa.com/

Zen Nippon Airinkai Southern Koi Association:ZNASKA
- Membership information, list of officers, and other ZNA clubs. FL.
- http://www.znaska.org/

High Desert Koi Fanciers
- Club details, membership application, schedule of pond meetings and tours, photos, and newsletters. Southern CA and NV.
- http://www.hdkoifanciers.com/

Camellia Koi Club
- Photos, meeting and events details, application form, a members' only area. Central California.
- http://www.camelliakoi.org/

Genesee Valley Pond and Koi Club
- Events calendar, newsletter, and photo gallery. Rochester, N.Y.
- http://www.ggw.org/gvpakc/

Middlesex and Surrey Koi Club
- Affiliated with the British Koi Keepers Society. Includes information on members' ponds and Koi, as well as events, history, links, and discussion.
- http://www.msbsection.co.uk

Pacific Northwest Koi Clubs Association
- Includes information on events and member clubs. Serves OR, ID, WA, AB, and BC.
- http://www.pnkca.com/

Washington Koi and Water Garden Society
- Includes meeting schedule, message board, calendar, membership application, and links. WA.
- http://www.washingtonkoi.org/

Southwest Koi and Pond Association
- Membership application, club officers, photos, and articles. El Paso, TX.
- http://www.skapa.org/

Dallas Koi Kichi Group
- Newsletter, membership details, educational articles and photos. Dallas and Fort Worth, TX.
- http://www.dallaskoikichi.org/

The Koi Club of Middle Tennessee
- KCMT meeting details, dictionary, and pond photos.
- http://www.kcmt.net/

Piedmont Koi and Watergarden Society
- Articles, membership information, meetings schedule, and contact information. Charlotte, NC.
- http://www.pkwsonline.com/

Greater Louisville Koi and Goldfish Society
- Calendar of events, contact information, show details, glossary, and dictionary. Louisville, KY.
- http://www.louisvillekoiclub.com/

Nishiki Koi Club
- Includes members' ponds, information on keeping koi, and meeting details. Buena Park, CA.
- http://www.nishikikoiclub.com/

Olympic Koi, Goldfish and Water Garden Club
- Koi information, photos of members' ponds, and events calendar. Port Orchard, Kitsap County, WA.
- http://www.olympickoiclub.org/

Koi and Water Garden Society of Central New York
- The history of Koi, membership and meeting information, and photos.
- http://www.cnykoi.com/

San Francisco Bay Area Koi Club
- Articles, events calendar, membership form, newsletter.
- http://www.sfbakc.org

Inland Koi Society
- Membership details, calendar of events and items for sale. Riverside, CA.
- http://www.inlandkoisociety.org/

Wirral and District Koi Society
- Information, members ponds, seasonal tips and related links. Wirral, Merseyside, UK.
- http://www.wirralkoi.org/

Northwest Koi and Goldfish Club
- Show details, photo page, and membership information. Portland, OR.
- http://www.nwkg.org/

Koi And Water Garden Club Of North Texas
- Meeting and membership information, newsletters, and pond photos.
- http://www.kwgcnt.org/

Yorkshire Koi Society
- Membership details, photos, for sale and wanted ads. UK.
- http://www.yorkshirekoi.co.uk/

Associated Koi Clubs of America
- Non-profit organization created to promote the hobby. Must be viewed with Internet Explorer browser.
- http://www.akca.org/

Midwest Pond and Koi Society
- Provides a calendar, meetings, articles and a gallery. North Riverside, IL.
- http://www.mpks.org

Australian Koi Association
- Photographs, forum, membership details, and show results.
- http://www.akakoi.com/

Michigan Koi and Pond Clubs: South East Chapter
- Provides a calendar of events, newsletters, and an application form. MI.
- http://www.mkpc-se.com/

Rocky Mountain Koi Club
- Annual show details, pond tour photos, and membership information. CO.
- http://www.rmkc.org/

Ventura County Koi Society
- Contact information. CA.
- http://www.vcnet.com/koi_net/vcks.html

Capital Area Koi and Water Gardening Club
- Event schedule, library list, membership details, and newsletters. Lansing, Michigan.
- http://www.lansingpondclub.org/

Southern Arizona Koi Association
- Provides information on meetings, and a newsletter. Tucson, AZ.
- http://www.soazkoiasso.8m.com/

Lone Star Koi Club
- Provides club data, pond tours, newsletters, photographs and information about the club. Pasadena, TX.
- http://www.lonestarkoi.com/

Texas Koi and Fancy Goldfish Society
- Meeting information, newsletters and articles. San Antonio, TX.
- http://www.texaskoi.com/

Atlanta Koi Club
- Provides a membership page, events, virtual pond tour and venders page. Atlanta, GA.
- http://www.atlantakoiclub.com/

Singapore Koi Club
- World-wide events list, photo gallery and pond visits.
- http://www.singaporekoiclub.com/

Koi Cymru
- Pond construction and heating information, as well as other projects. Membership details, and a forum. South Wales, U.K.
- http://www.koicymru.co.uk/

Mid-Atlantic Koi Club
- Events calendar, membership application, and world-wide shows list. VA.
- http://www.makc.com/

Tampa Bay Koi And Water Garden Club
- Membership details. Tampa Bay, FL.
- http://www.tampabaykoi.org/

Koi Club Of San Diego
- Newsletter, upcoming events, members' pond photos, and membership application. CA.
- http://www.koiclubsandiego.org/

Malaysia Koi Club
- Forum, photos with descriptions, and articles. Kuala Lumpur, Malaysia.
- http://www.koi.com.my/