| Name and firstname(s) | Name Toernooibase | Club or Country |
 Joosten, Marco | Marco Joosten | |
| Joosten, Sam | Sam Joosten | |
 Joosten, Werner | Werner Joosten | Belgium |
| Jopp, Paul | Paul Jopp | |
| Jopp, Tim | Tim Jopp | |
 Joppe, Jacobus Johannes | Koos Joppe (08.04.1928 - 02.10.1999) Add info | |
 Jordens, Theo | Theo Jordens | Componisten |
 Jorge, Fuentes | Fuentes Jorge | Cuba |
| Joris, Jean Marie | Jean-Marie Joris | Belgium |
| Jorissen, C. | C. Jorissen | Componisten |
| Jorna, J. | J. Jorna | Componisten |
 Jorna, Ron | Ron Jorna | KDV Krimpen aan den IJssel |
| Jortay, Georges | Georges Jortay | Belgium |
| Jose, Miquel Esteban (dubbel) | dubbele invoer | |
 Joseph, Abraham | Abraham Joseph | USA |
 Joseph, J. Ph. | J. Ph. Joseph | France |
| Joseph, Jean Reynold | Jean Reynold Joseph | USA |
 Joseph, Josue | Josue Joseph | Curacao |
 Joseph, Kelly | Kelly Joseph | Guadeloupe |
 Joseph, Peterson | Peterson Joseph | Haiti |
| Joseph, Yonal | Yonal Joseph | Haiti |
 Josk, Bartosz | Bartosz Josk | Poland |
| Josk, Krystian | Krystian Josk | Poland |
| Josk, Marcel | Marcel Josk | Poland |
| Josk, Teresa | Teresa Josk | Poland |
 Jossell, B. | B. Jossell | USSR |
| Jouannet, | Jouannet | France |
| Jouet, Jean-Louis | Jean-Louis Jouet | France |
| Joueur, Neutre (dubbel) | dubbele invoer | |
| Jouhannel, Henri | Henri Jouhannel | France |
| Joulia, Edouard | Edouard Joulia | France |
 Joulu, Ennu | Ennu Jõulu | Estonia |
| Joulu, Vello | Vello Joulu | Estonia |
| Jourdain, Roland | Roland Jourdain | USA |
 Joustra, Reino | Reino Joustra | Dokkum - Rinsumageest |
| Jouvert, Bernard | Bernard Jouvert | France |
 Jouwsma, Michel | Michel Jouwsma | DEZ Reeuwijk |
| Jouwsma, M. (frysk) | M. Jouwsma | |
| Jouwsma, Marcel | Marcel Jouwsma | |
.gif ) Jouwsma, Piet | Piet Jouwsma | Frysk Spul (diverse spelers) |
 Jouwsma-Tomase, Liene | Liene Jouwsma-Tomase | IDV Hendrik Ido Ambacht |
 Jovaisas, Alvydas | Alvydas Jovaisas | |
 Jovanovic, Zvezdan | Zvezdan Jovanovic | Yugoslavia |
| Jovelin, G. | G. Jovelin | France |
| Joyeux, P. | P. Joyeux | Belgium |
| Jozwik, Natalia | Natalia Jozwik | Poland |
| Juarez-Banos, Emilio | Emilio Juárez-Baños | Belgium |
| Jubal, Louis | Louis Jubal | France |
| Judic, | Judic | France |
 Juffer, Willem | Willem Juffer | SSS Kampen |
 Jugans, Rodrigo | Rodrigo Jugans | Latvia |
| Juhimenko, Edvards | Edvards Juhimenko | Latvia |
| Juhnjevichs, Maigonis | Maigonis Juhnjevichs | Latvia |
| Julemont, M. | M. Julémont | Belgium |
| Juliana, Oswin | Oswin Juliana | Curacao |
| Juliana, Renzo | Renzo Juliana | Curacao |
| Julmonor, Wesly | Wesly Julmonor | Haiti |
 Jumagaldiyeva, Altynay | Altynay Jumagaldiyeva | Kazachstan |
 Jumayev, Kurban | Kurban Jumayev | Turkmenistan |
| Jumelet, Robert | Robert Jumelet | |
 Jumshanov, Petr | Petr Jumshanov | Russia |
 Junani, Gan | Gan Junani | China |
| Junca, Gilbert | Gilbert Junca ( - 08.10.2003) Add info | |
 Jundaite, Gabriele | Gabriele Jundaite | Lithuania |
 Jungerius, Jan | Jan Jungerius | KDC Katwijk |
| Jungevicius, Kestuis | Kestuis Jungevicius | Lithuania |
| Junjie, Wu | Wu Junjie | China |
| Junkurens, Martins | Martins Junkurens | Latvia |
| Junlin, Wu | Wu Junlin | China |
| Junte, Kristof | Kristof Junte | |
| Juraszek, Janina | Janina Juraszek | Poland |
| Jurcewicz, Bartosz | Bartosz Jurcewicz | Poland |
| Jurcewicz, Tomasz | Tomasz Jurcewicz | Poland |
| Jurcka, Dirk Johan | Dick Jurcka (15.08.1908 - 05.11.1998) Add info | |
| Jurczyk, Szymon | Szymon Jurczyk | Poland |
| Jurewicz, Michal | Michal Jurewicz | Poland |
 Jurg, Anton | Anton Jurg | Bornse Damvereniging Borne |
| Jurg, Johannes Jacobus | Joop Jurg (15.01.1917 - 28.02.1988) Add info | |
| Jurg, M. | M. Jurg | |
| Jurg, Willem | Willem Jurg (09.06.1910 - 10.07.1982) Add info | |
| Jurg, Willem Rijkert | Wim Jurg (27.08.1944 - 11.07.1994) Add info | |
 Jurg, Wim (GSZ) | Wim Jurg | GSZ |
| Jurg sr., Anton | Anton Jurg sr. (17.08.1907 - 08.07.1966) | |
| Jurgaitis, H. | H. Jurgaitis | Latvia |
| Jurgenson, Andreas | Andreas Jürgenson | Estonia |
| Jurgenson, Kristjan | Kristjan Jürgenson | Estonia |
| Juricic, Slavko | Slavko Juricic | Yugoslavia |
| Jurisoo, Marie-Eliise | Marie-Eliise Jurisoo | Estonia |
| Jurjus, J. | J. Jurjus | |
| Jurjus, P.H. | P.H. Jurjus | |
| Jurjus, Piet | Piet Jurjus | |
| Jurkabay, Ayza | Ayza Jurkabay | Kazachstan |
| Jurkiewicz, Agnieszka | Agnieszka Jurkiewicz | Poland |
| Jurkiewicz, Mariusz | Mariusz Jurkiewicz | Poland |
| Jurkiewicz, Wojciech | Wojciech Jurkiewicz | Poland |
 Jurriens, Chris | Chris Jurriëns | DIOS-Achterhoek |
 Jurrius, Sico | Sico Jurrius | Zwolle |
| Jurusik, Jolanta | Jolanta Jurusik | Poland |
| Jury, Aime | Aimé Jury | France |
| Jusupov, Ilnur | Ilnur Jusupov | Russia |
