The following table shows the number of owner records based on the information current in the Osprey Class Boat Register.
The table is generated from the most current information for a Sail Number.
| Club | Country | Continent | Latest Sail Number | Latest Year | No of Boats |
| Aberystwyth University Sailing Club | United Kingdom | Europe | 44 | 2011 | 1 |
| Avon Sailing Club | United Kingdom | Europe | 1220 | 2017 | 1 |
| Bartley Green Sailing Club | United Kingdom | Europe | 819 | 1993 | 1 |
| Bewl Valley Sailing Club | United Kingdom | Europe | 67 | 2007 | 1 |
| Birmingham Sailing Club | USA | North America | 446 | 1993 | 1 |
| Blithfield Sailing Club | United Kingdom | Europe | 1368 | 2018 | 17 |
| Bosham Sailing Club | United Kingdom | Europe | 1155 | 2017 | 3 |
| Bough Beech Sailing Club | United Kingdom | Europe | 663 | 2013 | 2 |
| Brampton Sailing Club | United Kingdom | Europe | 965 | 2013 | 2 |
| Bristol Corinthian Yacht Club | United Kingdom | Europe | 1316 | 2017 | 5 |
| British Steel Sailing Club | United Kingdom | Europe | 1151 | 1993 | 4 |
| Broxbourne Sailing Club | United Kingdom | Europe | 1260 | 2010 | 3 |
| Burton on Trent Sailing Club | United Kingdom | Europe | 668 | 2000 | 1 |
| Carlingford Club | Ireland | Europe | 1017 | 2015 | 1 |
| Carsington Sailing Club | United Kingdom | Europe | 1363 | 2016 | 1 |
| Castle Cove Sailing Club | United Kingdom | Europe | 1333 | 2015 | 11 |
| Chase Sailing Club | United Kingdom | Europe | 1289 | 2015 | 1 |
| Chelmarsh Sailing Club | United Kingdom | Europe | 757 | 2018 | 1 |
| Colemere Sailing Club | United Kingdom | Europe | 571 | 2008 | 1 |
| Coniston Sailing Club | United Kingdom | Europe | 1350 | 2014 | 1 |
| Corus Margam Sailing Club | United Kingdom | Europe | 1217 | 2007 | 3 |
| Creeksea Sailing Club | United Kingdom | Europe | 847 | 2014 | 1 |
| Dar-es-Salaam Yacht Club | Tanzania | Africa | 795 | 1993 | 1 |
| Datchet Water Sailing Club | United Kingdom | Europe | 1077 | 1977 | 1 |
| Draycote Water SC | United Kingdom | Europe | 864 | 2016 | 1 |
| Durleigh Sailing Club | United Kingdom | Europe | 242 | 2009 | 1 |
| Emsworth Slipper Sailing Club | United Kingdom | Europe | 1212 | 2009 | 1 |
| Filey Sailing Club | United Kingdom | Europe | 1054 | 2016 | 2 |
| Forth Corinthians Yacht Club | United Kingdom | Europe | 480 | 1993 | 1 |
| Great Moor Sailing Club | United Kingdom | Europe | 1369 | 2017 | 3 |
| Great Yarmouth Sailing Club | United Kingdom | Europe | 866 | 1993 | 3 |
| Greenwich Yacht Club | United Kingdom | Europe | 617 | 1993 | 1 |
| Gunfleet Sailing Club | United Kingdom | Europe | 761 | 1993 | 1 |
| Gurnard Sailing Club | United Kingdom | Europe | 1321 | 2012 | 1 |
| Hamble River Sailing Club | United Kingdom | Europe | 1347 | 2016 | 1 |
| Harlow Sailing Club | United Kingdom | Europe | 184 | 1993 | 1 |
| Hayling Island Sailing Club | United Kingdom | Europe | 1291 | 2014 | 3 |
| Hollowell Sailing Club | United Kingdom | Europe | 800 | 2011 | 2 |
| Hornsea Sailing Club | United Kingdom | Europe | 1288 | 2014 | 8 |
| Humbermouth Yacht Club | United Kingdom | Europe | 1184 | 1993 | 5 |
| Hythe Sailing Club | United Kingdom | Europe | 893 | 1993 | 1 |
| Isle of Sheppey Sailing Club | United Kingdom | Europe | 1370 | 2017 | 20 |
| Jirgi Island Sailing Club | Nigeria | Africa | 1071 | 1993 | 1 |
| Kielder Water Sailing Club | United Kingdom | Europe | 1340 | 2016 | 13 |
| Lagos Yacht Club | Nigeria | Africa | 1221 | 2007 | 36 |
| Lake Champlain | USA | North America | 303 | 2009 | 1 |
| Llangrose Sailing Club | United Kingdom | Europe | 753 | 2017 | 1 |
| Lochaber Yacht Club | United Kingdom | Europe | 1268 | 2013 | 1 |
| Locks Heath Sailing Club | United Kingdom | Europe | 406 | 1993 | 1 |
| Lymington Town Sailing Club | United Kingdom | Europe | 1262 | 2011 | 8 |
| Mactaquac Sailing Association | Canada | North America | 687 | 2009 | 1 |
| Maldon Sailing Club | United Kingdom | Europe | 845 | 1993 | 2 |
| Marconi Sailing Club | United Kingdom | Europe | 1297 | 2014 | 2 |
| Mayflower Sailing Club | United Kingdom | Europe | 660 | 1993 | 1 |
| Mengeham Rythe Sailing Club | United Kingdom | Europe | 1255 | 2010 | 2 |
| Midland Sailing Club | United Kingdom | Europe | 1311 | 2014 | 1 |
| Minnis Bay Sailing Club | United Kingdom | Europe | 1065 | 1993 | 1 |
| Mombasa Yacht Club | Kenya | Africa | 1263 | 2017 | 8 |
| Morecambe & Heysham Yacht Club | United Kingdom | Europe | 882 | 1993 | 2 |
| Mounts Bay Sailing Club | United Kingdom | Europe | 1339 | 2017 | 16 |
| Mumbles Yacht Club | United Kingdom | Europe | 1348 | 2014 | 3 |
| Ogston Sailing Club | United Kingdom | Europe | 1252 | 2007 | 3 |
| One Step Beyond | United Kingdom | Europe | 1203 | 2015 | 1 |
| Oxford Sailing Club | United Kingdom | Europe | 959 | 2008 | 2 |
| Pagham Yacht Club | United Kingdom | Europe | 840 | 1993 | 1 |
| Paphos International Sailing Club | Cyprus | Europe | 1302 | 2014 | 1 |
| Pembrokeshire Yacht Club | United Kingdom | Europe | 1232 | 2017 | 1 |
| Peterhead Sailing Club | United Kingdom | Europe | 1150 | 2017 | 2 |
| Plymouth Corinthian Yacht Club | United Kingdom | Europe | 716 | 2009 | 2 |
| Poole Yacht Club | United Kingdom | Europe | 1352 | 2018 | 39 |
| Porthpean Sailing Club | United Kingdom | Europe | 1040 | 2004 | 1 |
| Portishead Yacht & Sailing Club | United Kingdom | Europe | 1357 | 2016 | 4 |
| Prestwick Sailing Club | United Kingdom | Europe | 1367 | 2017 | 2 |
| RAE Sailing Club | United Kingdom | Europe | 1139 | 1993 | 1 |
| Red House Sailing Club | Singapore | Asia | 581 | 1993 | 10 |
| Ribble Cruising Club | United Kingdom | Europe | 1341 | 2017 | 12 |
| Royal Harwich Yacht Club | United Kingdom | Europe | 918 | 2015 | 2 |
| Royal Norfolk Yacht Club | United Kingdom | Europe | 1317 | 2011 | 1 |
| Royal Tay Yacht Club | United Kingdom | Europe | 642 | 1993 | 1 |
| Royal Varuna Yacht Club | Thailand | Asia | 541 | 1993 | 1 |
| RYA | United Kingdom | Europe | 1199 | 2014 | 3 |
| Santa Irene Club de Vela | Spain | Europe | 1230 | 2009 | 1 |
| Saundersfoot Sailing Club | United Kingdom | Europe | 1060 | 1993 | 3 |
| Shoreham Sailing Club | United Kingdom | Europe | 1360 | 2016 | 2 |
| Shustoke Sailing Club | United Kingdom | Europe | 1231 | 2017 | 1 |
| Sime Darby Sailing Club | Singapore | Asia | 672 | 1993 | 1 |
| Solartron Sailing Club | United Kingdom | Europe | 841 | 1993 | 1 |
| South Shields Sailing Club | United Kingdom | Europe | 1032 | 2006 | 1 |
| Southwold Sailing Club | United Kingdom | Europe | 718 | 1993 | 1 |
| St Ives Sailing Club | United Kingdom | Europe | 922 | 2009 | 2 |
| Stanbridge Earls Sailing Club | United Kingdom | Europe | 923 | 1993 | 1 |
| Stewartby Water Sports Club | United Kingdom | Europe | 1233 | 1993 | 3 |
| Stokes Bay Sailing Club | United Kingdom | Europe | 332 | 1993 | 1 |
| Stubbers Young Mariners Sailing Club | United Kingdom | Europe | 1146 | 2014 | 1 |
| Sully Sailing Club | United Kingdom | Europe | 1312 | 2017 | 4 |
| Sunderland Yacht Club | United Kingdom | Europe | 276 | 1993 | 1 |
| Surrey Sailing Club | Canada | North America | 1315 | 2015 | 17 |
| Sussex Sailing Club | United Kingdom | Europe | 616 | 1993 | 1 |
| SYC | United Kingdom | Europe | 213 | 2014 | 3 |
| Tanga Yacht Club | Tanzania | Africa | 371 | 1993 | 8 |
| Tata Steel Sailing Club | United Kingdom | Europe | 1354 | 2017 | 14 |
| Tenby Sailing Club | United Kingdom | Europe | 1344 | 2017 | 14 |
| Towy Yacht Club | United Kingdom | Europe | 1119 | 2008 | 1 |
| Tudor Sailing Club | United Kingdom | Europe | 1332 | 2016 | 1 |
| Upper Tamar Lakes Sailing Club | United Kingdom | Europe | 425 | 2017 | 1 |
| Upper Thames Sailing Club | United Kingdom | Europe | 1183 | 2017 | 1 |
| Warsash Sailing Club | United Kingdom | Europe | 1270 | 2013 | 2 |
| Weirwood Sailing Club | United Kingdom | Europe | 1137 | 2015 | 1 |
| West Hawk Lake Yacht Club | Canada | North America | 871 | 2009 | 1 |
| Weymouth Sailing Club | United Kingdom | Europe | 1281 | 2017 | 4 |
| Whitefriars SC | United Kingdom | Europe | 1365 | 2016 | 1 |
| Wilsonian Sailing Club | United Kingdom | Europe | 1353 | 2012 | 3 |
| Wimbleball Sailing Club | United Kingdom | Europe | 1356 | 2016 | 1 |
| Witham Sailing Club | United Kingdom | Europe | 375 | 1993 | 1 |
| WWSCC | United Kingdom | Europe | 155 | 2009 | 1 |
