| Naam en Voornaam/Voornamen | Naam Toernooibase | Club of Land |
 Koninck, de, Leon | Leon de Koninck | Belgie |
 Koningferander, E. | E. Koningferander | Suriname |
 Konjkov, Aleksandr Vladimirovitsj | Aleksandr Konjkov (03.05.1939 - 05.09.2004) Voeg info toe | |
 Konkin, V. | V. Konkin | USSR |
 Konnov, Vladimir | Vladimir Konnov | Rusland |
 Kono, Kaoru | Kaoru Kono | Japan |
 Kono, Pitshou | Pitshou Kono | Congo D |
 Konovalov, Pavel | Pavel Konovalov | Ukraine |
| Konstantinov, Arian | Arian Konstantinov | Rusland |
| Konstantinov, Gavril | Gavril Konstantinov | Rusland |
| Kontrabarskij, Michail | Michail Kontrabarskij | USSR |
 Konwerski, Jerzy | Jerzy Konwerski | Polen |
| Koob, NN. | NN. Koob | Belgie |
 Koops, Lambert-Jan | Lambert-Jan Koops | Dammers uit Oost |
 Koops, Henry | Henry Koops | Canada |
| Koopziek, NN. | NN. Koopziek | Belgie |
 Koorem, Britta-Elisabeth | Britta-Elisabeth Koorem | Estland |
| Koort, Jakko | Jakko Koort | Estland |
| Kooten, van, Truus | Truus van Kooten | Belgie |
| Kooy, Fee | Fee Kooy | Belgie |
| Kopacki, Zbigniew | Zbigniew Kopacki | Polen |
 Kopp, Patrick | Patrick Kopp | Frankrijk |
| Kopp, Vincent | Vincent Kopp | Frankrijk |
| Koptelov, Artem | Artem Koptelov | Rusland |
| Kopylov, Evgeni | Evgeni Kopylov | Rusland |
| Kopyrina, Gulnara | Gulnara Kopyrina | Rusland |
| Kopytova, Elena | Elena Kopytova | Rusland |
 Korchjitskij, Sergej | Sergej Korchjitskij | Wit-Rusland |
| Korchov, Eduard | Eduard Korchov | USSR |
| Korchov, Michael | Michael Korchov (24.11.1936 - 13.09.2019) Voeg info toe | |
| Korchow, Simon Michailovitsj | Simon Michailovitsj Korchow | |
 Kore, Goua Emmanuel | Goua Emmanuel Kore | Ivoorkust |
| Kore, Jean Paul | Jean Paul Kore | Ivoorkust |
| Koreneva, Olesiya | Olesiya Koreneva | Rusland |
| Korenievski, Michael | Michael Korenievski | Rusland |
| Korepanov, Nikolai | Nikolai Korepanov | USSR |
| Korepanov, Roman | Roman Korepanov | Rusland |
| Korgessaar, Eliise | Eliise Korgessaar | Estland |
| Koriakin, Mikhail | Mikhail Koriakin | Rusland |
| Korkina, Viktoria | Viktoria Korkina | Rusland |
| Kornaga, Amelia | Amelia Kornaga | Polen |
| Kornaga, Klara | Klara Kornaga | Polen |
| Kornas, Kacper | Kacper Kornas | Polen |
| Kornilova, Aina | Aina Kornilova | Rusland |
| Kornreich, NN. | NN. Kornreich | Belgie |
| Korobeinikov, Gennadiy | Gennadiy Korobeinikov | Rusland |
| Korobeynikova, Anastasiya | Anastasiya Korobeynikova | Rusland |
| Korobkova, Natalia | Natalia Korobkova | Rusland |
 Korogo, Alassane | Alassane Korogo | Burkina Faso |
| Korolev, Yury | Yury Korolev | Rusland |
| Koroljkov, V. | V. Koroljkov | USSR |
| Korotka, Olena | Olena Korotka | Ukraine |
| Korotkay, Daria | Daria Korotkay | Ukraine |
| Korotkih, Anna | Anna Korotkih | Rusland |
| Korotusz, Elzbieta | Elzbieta Korotusz | Polen |
| Korovkin, Artiom | Artiom Korovkin | Wit-Rusland |
| Korsaga, Bernard | Bernard Korsaga | Burkina Faso |
| Kortas, Krzysztof | Krzysztof Kortas | Polen |
| Kortooms, Wouter | Wouter Kortooms | Belgie |
| Kosarev, Georgy | Georgy Kosarev | Rusland |
 Kosinska, Marina | Marina Kosinska | Letland |
| Kosinski, Ryszard | Ryszard Kosinski | Polen |
| Kosk, Zofia | Zofia Kosk | Polen |
| Koskin, Pavel | Pavel Koskin | Rusland |
| Koskow, D. | D. Koskow | USSR |
| Koslowski, Jan | Jan Koslowski | Belgie |
| Kosmala, Andrzej | Andrzej Kosmala | Polen |
| Kosminski, Igor | Igor Kosminski | Ukraine |
| Kosnikau, Artsemiy | Artsemiy Kosnikau | Wit-Rusland |
| Kosobudzka, Ewa | Ewa Kosobudzka | Polen |
| Kosobudzka-Flisikowska, Arleta | Arleta Kosobudzka-Flisikowska | Polen |
| Kosobudzki, Lukasz | Lukasz Kosobudzki | Polen |
| Kosobudzki, Przemyslaw | Przemyslaw Kosobudzki | Polen |
 Kosova, Ema | Ema Kosova | Tsjechie |
 Kossa, Bienvenu | Bienvenu Kossa | Congo B |
| Kosse, Daria | Daria Kosse | Rusland |
 Koster, Johan | Johan Koster | Nederlandse Antillen |
 Koster, P. | P. Koster | Componisten |
| Kostikov, Saveliy | Saveliy Kostikov | Ukraine |
| Kostionow, Iwan | Iwan Kostionow | Rusland |
 Kostitsyna, Mariya | Mariya Kostitsyna | Kazachstan |
| Kostona, Jekaterina | Jekaterina Kostõna | Estland |
| Koszewska, Adrianna | Adrianna Koszewska | Polen |
| Kotelnikov, Illia | Illia Kotelnikov | Ukraine |
| Kotenko, Ninel | Ninel Kotenko | Ukraine |
| Kotenko, Sergey | Sergey Kotenko | Ukraine |
 Kotliar, Naumen | Naumen Kotliar | Israel |
 Kotliar , Y. | Y. Kotliar | Buitenlandse spelers |
| Kotliarova, Natalja | Natalja Kotliarova | Ukraine |
| Kotys, Adam | Adam Kotys | Polen |
| Kotys, Iwona | Iwona Kotys | Polen |
| Kouadio, Yao Herve | Yao Herve Kouadio | Ivoorkust |
| Kouadio, Angaman | Angaman Kouadio | Ivoorkust |
| Kouadio, Armel Rodolphe | Armel Rodolphe Kouadio | Ivoorkust |
| Kouadio, David | David Kouadio | Ivoorkust |
| Kouadio, Jean-Claude | Kouadio Jean-Claude | Ivoorkust |
| Kouadio, Kouame | Kouadio Kouame | Ivoorkust |
| Kouadio , Kouassi Gildas | Kouassi Gildas Kouadio | Ivoorkust |
| Kouakou, Kouassi Justin | Kouassi Justin Kouakou | Ivoorkust |
| Kouakou, Kouassi Wilfried | Kouakou Kouassi Wilfried | Ivoorkust |
