| Name and firstname(s) | Name Toernooibase | Club or Country |
 Kupracz, Wiktor | Wiktor Kupracz | Poland |
 Kupriianov, Vasilii | Vasilii Kupriianov | Russia |
 Kupris, Algis | Algis Kupris | Lithuania |
| Kupryte, Ramute | Ramute Kupryte | Lithuania |
 Kurachou, Aliaksei | Aliaksei Kurachou | Belarus |
| Kurak, Kinga | Kinga Kurak | Poland |
| Kuras, Paulis | Paulis Kuras | Lithuania |
| Kurashevich, Ruslan | Ruslan Kurashevich | Belarus |
 Kurashin, Dominic | Dominic Kurashin | Estonia |
| Kuratchev, Alexei | Alexei Kuratchev | Belarus |
 Kurbatov, Viktor | Viktor Kurbatov | Ukraine |
| Kurek, Andrzej | Andrzej Kurek | Poland |
| Kurik, Keity | Keity Kurik | Estonia |
| Kurik, Kevin | Kevin Kurik | Estonia |
| Kurilkin, Danylo | Danylo Kurilkin | Ukraine |
| Kurm, Karoliina | Karoliina Kurm | Estonia |
| Kurm, Uku | Uku Kurm | Estonia |
 Kurnosov, Nikolai | Nikolai Kurnosov ( - 17.02.1987) Add info | |
| Kuropatov, Sergey | Sergey Kuropatov | Russia |
 Kurpershoek, Leendert Hendrik | Leendert Hendrik Kurpershoek (12.08.1880 - 02.06.1955) Add info | |
 Kurpnieks, J. | J. Kurpnieks | Latvia |
| Kurtava, Neli | Neli Kurtava | Belarus |
| Kurtsova, Iryna | Iryna Kurtsova | Belarus |
 Kurucz, Henrietta | Henrietta Kurucz | Hungary |
| Kuryan, Aliaksandr | Aliaksandr Kuryan | Belarus |
 Kurykin, Vadim | Vadim Kurykin | Kazachstan |
| Kus, Monika | Monika Kus | Poland |
| Kus, Piotr | Piotr Kus | Poland |
 Kusaba, Zyun | Zyun Kusaba | Japan |
| Kusickis, V. | V. Kusickis | Latvia |
| Kusowski, Krzysztof | Krzysztof Kusowski | Poland |
 Kusters, Guido | Guido Kusters | WSDV Wageningen |
| Kusters, Cornelis | Cornelis Kusters (26.05.1918 - 02.10.1975) Add info | |
| Kuszaj, Milena | Milena Kuszaj | Poland |
| Kutas, Tsimafei | Tsimafei Kutas | Belarus |
 Kutirkin, V. | V. Kutirkin | USSR |
| Kutlugildinov, Ilgiz | Ilgiz Kutlugildinov | Russia |
| Kutsenko, Vasylysa | Vasylysa Kutsenko | Ukraine |
 Kutshi, Taty, Kutshi | Kutshi Taty | Congo Democratic Republic |
| Kuttim, Mark Kristian | Mark Kristian Küttim | Estonia |
| Kuttis, Kalju | Kalju Kuttis | Estonia |
| Kutushev, Marat | Marat Kutushev | Russia |
| Kuusesaar, Kaspar | Kaspar Kuusesaar | Estonia |
| Kuusik, Karmen | Karmen Kuusik | Estonia |
 Kuyer, J. | J. Kuyer | |
| Kuyer, Johannes Franciscus | Frans Kuyer (15.04.1904 - 23.03.1985) Add info | |
| Kuyk, van, Marielle | Mariëlle van Kuyk | |
| Kuyken, Lucas Andreas | Andreas Kuyken (15.11.1948 - 18.02.2021) Add info | |
| Kuyl, Theo (dubbel) | dubbele invoer | |
 Kuyo, Olivier Constant | Olivier Constant Kuyo | Ivory Coast |
| Kuyper sr., J. | J. Kuyper sr. | |
| Kuypers, Jouwert | Jouwert Kuypers (05.06.1909 - 15.02.1995) Add info | |
 Kuypers, NN. | NN. Kuypers | Belgium |
 Kuypers , NN. (Mensfort) | NN. Kuypers | Mensfort Eindhoven |
| Kuys, J. | J. Kuys | |
 Kuyter, de, K. | K. de Kuyter | Wormerveer |
 Kuzel, Carsten | Carsten Kuzel | Germany |
| Kuzemchenko, Vladimir | Vladimir Kuzemchenko | Ukraine |
| Kuziel, Tomasz | Tomasz Kuziel | Poland |
| Kuzjminsky, Ivan Danilovitsj | Ivan Kuzjminsky | Ukraine |
| Kuzmickis, A. | A. Kuzmickis | Latvia |
 Kuzmiczenko, M. | M. Kuzmiczenko | Foreign players |
| Kuzmina, Saaskylana | Saaskylana Kuzmina | Russia |
| Kuzmina, Vlada | Vlada Kuzmina | Foreign players |
| Kuzminov, Maksim | Maksim Kuzminov | Latvia |
| Kuzminski, Artur | Artur Kuzminski | Lithuania |
 Kuznets, Leonid | Leonid Kuznets | Israel |
| Kuznetsov, Nikolai | Nikolai Kuznetsov | Estonia |
| Kuzniatsou, Miraslau | Miraslau Kuzniatsou | Belarus |
| Kvals, Martips | Martips Kvals | Latvia |
| Kvasnevska, Vladyslava | Vladyslava Kvasnevska | Ukraine |
| Kvasnevska, Yaroslava | Yaroslava Kvasnevska | Ukraine |
| Kvasnevskyi, Ievgen | Ievgen Kvasnevskyi | Ukraine |
| Kvasniak, Nazar | Nazar Kvasniak | Ukraine |
| Kvasova, Maria | Maria Kvasova | Russia |
 Kverh, Bojan | Bojan Kverh | Yugoslavia |
| Kvetkus, Ignas | Ignas Kvetkus | Lithuania |
| Kwaad, Jerre Josephus | Jerre Josephus Kwaad (27.03.1896 - 04.10.1957) Add info | |
 Kwaaitaal, Marit | Marit Kwaaitaal | Dammers uit Oost |
| Kwaaitaal, Nora | Nora Kwaaitaal | Dammers uit Oost |
 Kwadjani, Vitho | Vitho Kwadjani | French Guyana |
 Kwakernaak, Arjen | Arjen Kwakernaak | De Waarddammers |
| Kwakernaak, Dirk | Dirk Kwakernaak | De Waarddammers |
 Kwakernaak, Joop | Joop Kwakernaak | Amicitia Herwijnen |
| Kwakernaat, Gerrit | Gerrit Kwakernaat | |
 Kwant, de, Arie | Arie de Kwant | KDV Krimpen aan den IJssel |
| Kwanten, Tom | Tom Kwanten | Belgium |
 Kwartel, van der, Andre | André van der Kwartel | LDG Leiden |
| Kwartel, van der, M.J. | M.J. van der Kwartel | |
| Kwartel, van der, Petrus | Piet van der Kwartel (29.12.1919 - 15.07.1999) Add info | |
| Kwartel, van der, S. | S. van der Kwartel | |
| Kwartel, van der, San | San van der Kwartel | LDG Leiden |
 Kwasiba, Tanio | Tanio Kwasiba | Suriname |
| Kwast, Martin | Martin Kwast | |
| Kwast, Piet | Piet Kwast | |
 Kway, Calvin | Calvin Kway | DV VBI Huissen |
| Kway, Michelle | Michelle Kway | |
| Kwestro, Anton | Anton Kwestro | LDG Leiden |
| Kwiatkowska, Paulina | Paulina Kwiatkowska | Poland |
| Kwiatkowski, Wiktor | Wiktor Kwiatkowski | Poland |
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