Total One Design Classes: 222
| Class | Class Association | Class Link |
|---|---|---|
| 10K Dinghy | 10K Dinghy Class Association | 10KDinghy.org |
| 110 | 110 Class Association | www.110class.com |
| 12 Metre | International Twelve Metre Assoc | www.12mrclass.com |
| 18HT | U.S. 18HT Class Association | www.18ht.com |
| 2.4 Meter | US 2.4 Meter Class Association | www.us24meter.org |
| 210 | International 210 Association, Inc. | www.210class.com |
| 29er Class | US 29er Class Association | www.29ernorthamerican.org |
| 470 | US 470 Class Association | www.470na.org |
| 49er | US 49er Class Association | www.49erNA.org |
| 5.5 Metre | 5.5 Metre Class Association | http://www.5.5class.org |
| 505 | Intl 505 YRA, American Section | www.usa505.org |
| 6 Meter | International 6 Meter | www.6MRNorthAmerica.com |
| A Class | United States A-Class Catamaran Association | www.usaca.info |
| A Scow | Class A Scow Association | www.ascow.org |
| AHPC Viper | AHPC Viper | www.ahpc.au.com |
| Albacore | US Albacore Association | http://usaa.albacore.org/ |
| Atlantic | Atlantic Class Association | www.atlanticclass.org |
| Baum Cat | Baum Cat Sailing Association | |
| Beetle Cat | New England Beetle Cat Boat Assn | www.beetlecat.org |
| Beneteau 36.7 | Beneteau 36.7 Class Association | www.beneteaufirst367.org |
| Beneteau 40.7 | ||
| Bongo | Bongo Class Assoc | www.sailabongo.com |
| Buccaneer | Buccaneer 18 Class Association | www.buccaneer18.org |
| Bullseye | Bullseye Sailing Association | www.bullseyeclass.org |
| Butterfly | National Butterfly Association | www.butterflyer.org |
| Byte | Byte Class Association | www.byteclass.org |
| C Scow ILYA | Class C Scow Association | www.ilya.org |
| C Scow Natl | National C Scow Sailing Assoc | www.cscow.org |
| C&C 30 | C&C 30 One Design Class | cc30class.com |
| C&C 99 | C&C 99 Class Association USA | www.cnc-yachts.com/99owners/ |
| Cal 20 | Cal 20 Class Association | www.cal20.com |
| Canoe | Nat'l Sailing Committee of the Amer Canoe Ass | www.enter.net/~skimmer/ |
| Cape Cod Frosty | Cape Cod Frosty Class Assoc | www.capecodfrosty.org |
| Capri 14.2 | Capri 14.2 National Association | www.capri14.org |
| Capri 22 | Capri 22 National Association | www.capri22.net |
| Capri 25 | Capri 25 One Design Class Association | www.capri25.org |
| Catalina 22 | Catalina 22 National Sailing Assn | www.catalina22.org |
| Catalina 30 | International Catalina 30 Assn | www.catalina30.com |
| Catalina 34 | Catalina 34 International Assoc | www.c34.org |
| Catalina 36 | Catalina 36 International Assoc | www.catalina36.org |
| Catalina 400 | Catalina 400 Class Association | www.catalina400.org |
| Catalina/Capri 25 | Catalina-25/250 and Capri-25 Association | www.catalina-capri-25s.org |
| Catboat | Catboat Association, Inc | www.catboats.org |
| Celebrity | Celebrity Class YRA | www.celebrityclass.org |
| CFJ | CFJ Class Association | www.cfjclass.org |
| Chesapeake 20 | Chesapeake 20 Class Association | http://www.chesapeake20.org/ |
| Club 420 | Club 420 Association | www.club420.org |
| Colgate 26 | Colgate 26 Class Association | www.colgate26.com |
| Comet | Comet Class YRA | www.cometclass.com |
| Contender | US Contender Class Assoc | www.contenderworld.de/usa/index.html |
| Coronado 15 | Coronado 15 Class Association | www.coronado15.org |
| Corsair 24 | North American Corsair 24/F-24 Class Associat | www.corsairmarine.com/ClassAssociations |
| CR 914 | CR 914 Class | cr914class.org |
| Daysailer | Day Sailer Association | www.daysailer.org |
| Dragon | American Dragon Association | www.nadragons.org |
| E Scow | National Class E Scow Assoc | www.e-scow.org |
| El Toro | El Toro International YRA | www.eltoroyra.org |
| Ensign | Ensign Class Association | www.ensignclass.com |
| Etchells | Etchells Class Association | www.etchellsna.org |
| Etchells (Intl) | International Etchells Class-USA | www.etchells.org |
| Europe | US Europe Class Assoc | www.europedinghy.org |
| Evelyn 32 | Evelyn 32 Class Association | |
| Express 37 | Express 37 Class Association | www.express37.net |
| F16 | US F16 Class Association | http://usf16.org |
| F16 | North American F-16 Catamaran Association | |
| Farr 30 | Farr 30 International Class Assoc | www.mumm30.org |
| Farr 40 | Farr 40 One Design Class Association | www.farr40.org |
| Fireball | US International Fireball Association | www.fireball-international.ca/indexFB.html |
| FJ | International FJ/Flying Junior | |
| Flying Dutchman | Intl Flying Dutchman Class | www.sailfd.org/USA/ |
| Flying Scot | Flying Scot Sailing Assoc | www.fssa.com |
| Flying Tiger 10 | FT10 | |
| Flying Tiger 7.5 | FT7.5 | |
| Folkboat | San Francisco Bay Folkboat Assn | www.sfbayfolkboats.org |
| Force 5 | Force 5 Class Association | www.force5.us |
| Formula Windsurfing | Formula Windsurfing Association | www.uswindsurfing.org |
| Geary 18 | Geary 18 International YRA | www.geary18.org |
| Governor's Cup 21 | Newport-Balboa Sailing & Seamanship Associati | |
| GP14 | GP Fourteen Class of North America | |
| H 12 | H Class Association | www.herreshoff12.org |
| Hampton | Hampton One Design Class Racing Assn | www.intercom.net/npo/hamptonone/index.htm |
| Hansa | Hansa Sailing Association USA | www.hansaclass.org |
| Harbor 20 | Harbor 20 Class Association | www.harbor20.org |
| Hawkfarm | Hawkfarm One-Design Assoc | |
| Highlander | Highlander Class Association | www.sailhighlander.org |
| Hobie 14 | Hobie 14 Class Association | www.hcana.hobieclass.com |
| Hobie 16 | Hobie 16 Class Association | www.hcana.hobieclass.com |
| Hobie 17 | Hobie 17 Class Association | www.hcana.hobieclass.com |
| Hobie 18 | Hobie 18 Class Association | www.hcana.hobieclass.com |
| Hobie 20 | Hobie 20 Class Association | www.hcana.hobieclass.com |
| Hobie 33 | Hobie 33 Class Association | www.hobie33.com |
| Hobie Island | Hobie Island Class | www.hcana.hobieclass.com |
| Hobie Wave | Hobie Wave Class Association | www.hcana.hobieclass.com |
| Holder 20 | Holder 20 One Design | www.holder20onedesign.org |
| Holder 20 | Holder 20 Class Association | www.holder20.com |
| Hunter 23 | Hunter 23 Association | |
| i550 | i550 North American Class Association | www.i550NorthAmerica.org |
| Ideal 18 | Ideal 18 Class Association | www.www.shumwaymarine.com/ideal18/ |
| Impulse 21 | Impulse 21 Class Association | groups.yahoo.com/group/Impulse21sailors/ |
| Inland 20 | National Inland 20 Scow Sailing Association | www.inland20.org |
| Interclub | Interclub Dinghy Frostbite Class | www.interclub.org |
| Interlake | Interlake Sailing Class Association | www.interlakesailing.org |
| International OK Dinghy | United States OK Dinghy Racing Association | www.okdia.org |
| Intl 420 | US Intl 420 Class Assn | www.usi420.org |
| Intl Canoe | International Canoe Association | www.intcanoe.us |
| IOD | International One Design World Class Associat | http://iodwca.org/ |
| Isotope | Isotope Class Association | www.intl-fiberglass.com/isotope.html |
| J Class | J Class Association | www.jclassyachts.com |
| J-Class | J-Class Association- North America | |
| J/105 | J/105 Class Association | www.j105.org |
| J/109 | J/109 Class Association | www.j109.org |
| J/111 | J/111 Class Association | www.j111class.org |
| J/120 | J/120 Class Association | www.j120.org |
| J/122 | J/122 Class Association | www.yumpu.com/en/document/view/42604999/j-122-class-rules-j-owners |
| J/22 | US J/22 Class Association | www.j22.com |
| J/24 | US J/24 Class Association | www.j24usa.com |
| J/27 | J/27 Class Association | www.j27.org |
| J/29 | J/29 Class Association | www.j29class.net |
| J/30 | J/30 Class Association | www.J30.org |
| J/35 | J/35 Class Association | www.j35.org |
| J/44 | J/44 Class Association | www.j44.org |
| J/70 | J/70 Class Association | www.j70class.com |
| J/80 | US J/80 Class Association | www.j80.org |
| Jet 14 | Jet 14 Class Association | www.jet14.com |
| JY15 | JY15 Class Association | www.jyca.org |
| Knarr | San Francisco Bay Knarr Association | www.sfbayknarr.com/ |
| Knockabout | Cape Cod Knockabout Assoc | www.ccknockaboutclass.org |
| KONA Class | Kona Class | www.kona-windsurfing.com |
| Lehman 12 | Lehman 12 Class Association | www.nhyc.org |
| Lightning | International Lightning Class Association | www.lightningclass.org |
| M-20 | M-20 Class Association | www.m20scow.com |
| Manhasset Bay | Manhasset Bay One Design | |
| Mariner | Mariner Class Association | www.usmariner.org |
| Martin 16 | Martin 16 Class Association | www.martin16.com |
| Martin 242 | Martin 242 Class Association | www.martin242mdr.com |
| MBHCA | Massachusetts Bay Hustler Class Association | massbayhustler.org |
| MC Scow | MC Sailing Association | www.mcscow.org |
| Megabyte | Megabyte Class Association | www.megabyteclass.org |
| Melges 17 | Melges 17 Class Association | |
| Melges 20 | Melges 20 Class Association | melges20.com |
| Melges 24 | US Melges 24 Class Association | www.usmelges24.com |
| Melges 32 | Melges 32 Class Association | www.melges32.com |
| Mercury | Mercury Class YRA | www.mercury-sail.com |
| Mini Class | Mini Class US | |
| Mobjack | International Mobjack Association | mobjack.tripod.com |
| Moth, Intl | International Moth Class Association USA | www.int-moth.us |
| Mutineer | Mutineer 15 Class Association | www.mutineer15.org |
| Mystere 4.3 | Mystere 4.3 Class Association | |
| N-10/Turnabout | National 10 Association | www.n10association.com |
| NACRA | International NACRA Class Association | www.performancecat.com |
| Naples Sabot | Naples Sabot Sailing Assoc | www.naples-sabot.org |
| Narrasketuck | Narrasketuck One Design Assoc | www.narrasketuckoda.org |
| Nat'l One Design | National One Design Racing Assn | www.nodra.com |
| Navy 44 | Navy 44 Class Association | |
| Nonsuch | International Nonsuch Association | www.nonsuch.org |
| O'Pen BIC | O'Pen BIC One Design Class | www.openbic.com |
| OD35 | One Design 35 | |
| Olson 30 | Olson 30 Class Association | www.olson30.org |
| Open 5.70 | Open 5.70 Class Association | www.open570USA.com |
| Optimist | US Optimist Dinghy Assn | www.usoda.org |
| PC | ||
| Penguin | Intl Penguin Class Dinghy Assoc | www.penguinclass.com |
| Pixel | Pixel Class Association | www.sailpixel.com |
| Precision 18 | Precision 18 Class Association | |
| Precision 23 | Precision 23 Class Association | |
| Prodigy | Prodigy Class Association | www.prodigyonedesign.org |
| Raider | Raider One-Design Class Association | www.raiderone.org |
| Raven | Raven Class Corporation | racenclasssailingsailing.org |
| Rebel | National Rebel Class Assoc | www.rebelsailor.com |
| Reynolds 33 Cat | Reynolds 33 Catamaran | www.r33.com |
| Rhodes 19 | Rhodes 19 Class Association | www.rhodes19.org |
| RS Sailing | RS Sailing North America Class Association | |
| RS:X | RS:X | www.rsxclass.com |
| RSK6 | US K6 Class Association | www.rsk6usa.com |
| S Class | Narragansett Bay Herreshoff "S" Class Assoc | |
| S2 6.7 | S2 6.7, 6.9 & 22 Class Assoc | www.sail-s2.org |
| S2 7.9 | North American S2 7.9 Meter Class Association | www.sail79s.org |
| S2 9.1 | S2 9.1 Meter NoAm One-Design Class Associatio | www.s291.com |
| San Juan 21 | San Juan 21 Class Association | http://sj21class.org |
| San Juan 24 | San Juan 24 Class Association | sj24.org |
| Sandpiper | Sandpiper Class Association | www.marshallcat.com |
| Santa Cruz 27 | Santa Cruz 27 National Class Association | sc27.org |
| Santana 20 | Santana 20 Class Association | www.s20.org |
| Santana 23 | Santana 23 Class Association | |
| Santana 30/30 | Santana 30/30 Association | www.santana3030.org |
| Scamp | Scamp Class Association | |
| Shark catamaran | American Shark Association | www.sharkcatamaranclass.org |
| Shaw 650 | Shaw 650 One Design Class | www.shaw650.com |
| Shields | Shields Class Sailing Association | www.shieldsclass.com |
| SL 16 | SL 16 North American Class Association | |
| Soling | US Soling Association | www.ussoling.com |
| Sonar | International Sonar Class Association | www.sonar.org |
| Soverel 33 | Soverel 33 Class Association | www.soverel33.com |
| SS Sloop | SS Class Association | http://magicsloop.blogspot.com |
| Star | International Star Class YRA | www.starclass.org |
| Swan 45 | Swan 45 | www.swan45class.com |
| Sweet 16 | National Sweet Sixteen Sailing Association | www.s16.org |
| Swift Solo | Swift Solo Class Association | www.swiftsolo.com |
| T-10 | T-10 Class Association | www.tten.com |
| Tanzer 16 | Tanzer 16 Class Association | http://tanzer16.org/ |
| Tartan 34 | Tartan 34 Classic Association | 'www.tartanowners.org/t34/index.htm |
| Tasar | North American Tasar Assoc | www.natasar.org |
| Techno 293 | BIC Techno 293 One-Design | www.techno293.org |
| Tom 28 MAX | Tom 28 MAX | chicagomatchrace.com |
| Tornado | North American Tornado Association | www.tornado.org |
| Town Class | National Town Class Association | townclass.net/default.aspx |
| Ultimate 20 | Ultimate 20 Class Association | www.u20class.org |
| Vanguard 15 | Vanguard 15 Class Association | www.v15.org |
| Victory | ||
| Viper 640 | Viper 640 Class Association | www.viper640.org |
| VX Evo | VX Evo | |
| VX One | VX One Class Association | http://vxone.org/ |
| Wave | Wave Class Association | www.waveclass.org |
| Wayfarer | US Wayfarer Association | www.uswayfarer.org |
| Weta | Weta Class North America | www.wetanorthamerica.com |
| Wianno Senior | Wianno Senior Class Assoc | www.wiannosenior.org |
| Windmill | Windmill Class Association | www.windmillclass.com |
| Woodpussy | US Woodpussy Class Association | http://groups.yahoo.com/group/USWPCA/ |
| Wylie Wabbit | Wylie Wabbit Class Association | www.wyliewabbit.org |
| X Boat | Class X Boat Association | www.ilya.org |
| Y-Flyer | American Y-Flyer Sailing Association | www.yflyer.org |
| Yngling | United States Yngling Association | www.usa.yngling.org |