| Name and firstname(s) | Name Toernooibase | Club or Country |
 Leonora, Ruben | Ruben Leonora | ADC Alphen aan den Rijn |
 Leonora, Benco | Benco Leonora | |
 Leonov, Kyrylo | Kyrylo Leonov | Ukraine |
| Leonov, Mykola | Mykola Leonov | Ukraine |
 Leontiev, Egor | Egor Leontiev | Russia |
| Leontiev, Igor | Igor Leontiev | Russia |
| Leontiev, Konstantin | Konstantin Leontiev | Russia |
| Leontiev, Lev | Lev Leontiev | Ukraine |
 Leopoldo, Media | Media Leopoldo | Dominican Republic |
| Leopoldova, Nika | Nika Leopoldova | Russia |
 Leost, Norbert | Norbert Leost | France |
 Lep, Willem | Willem Lep | BEGB Britsum |
 Lepak, Emilia | Emilia Lepak | Poland |
 Lepas, NN. | NN. Lepas | Belgium |
| Lepeltier, Jacques | Jacques Lepeltier | France |
 Lepik, Kerttu | Kerttu Lepik | Estonia |
| Lepiks, Woldemir | Woldemir Lepiks | Belgium |
| Lepot, NN. | NN. Lepot | Belgium |
| Leppers, Han | Han Leppers | |
 Lepsic, Miljenko | Miljenko Lepsic | Yugoslavia |
 Leqi, Chen | Chen Leqi | China |
| Leque, Daniqu | Daniqu Leque | |
| Lequette, J.P. | J.P. Lequette | France |
| Lequibin, F. | F. Léquibin | France |
| Lerch, Francois | François Lerch | Belgium |
| Lere, Eddy (nkj68) | Eddy Lere | |
 Lere, Johannes | Johan Lere (01.10.1936 - 14.12.1966) Add info | |
| Leroy, A. | A. Leroy | France |
 Leroy, Francis | Francis Leroy | Lille |
| Leroy, Frederic | Frédéric Leroy | France |
| Leroy, Jean Louis | Jean Louis Leroy | France |
| Leroy, Juf. | Juf. Leroy | Belgium |
 Leroy, Piet | Piet Leroy | Middelharnis - Sommelsdijk |
| Leroy, Sylvie | Sylvie Leroy | France |
| Leruth, Philippe | Philippe Leruth | Belgium |
| Leruth, Christian | Christian Leruth | Belgium |
| Leruth, Joseph | Joseph Leruth | Belgium |
| Leruth, Marianne | Marianne Leruth | Belgium |
| Leruy, Piet | Piet Leruy | |
| Lesage, Henri | Henri Lesage ( - 16.12.1895) Add info | France |
| Lescher, Ron | Ron Lescher | |
| Lescieux, Quentin | Quentin Lescieux | France |
| Lescoutre, Romain | Romain Lescoutre | France |
| Lesenfans, P. | P. Lesenfans | Belgium |
 Leshchinski, B. | B. Leshchinski | USSR |
 Leshkevich, Nikolay Anatolyevitsj | Nikolay Leshkevitsj | Belarus |
| Leshuk, Alexandr | Alexandr Leshuk | Ukraine |
| Lesjtsjow, Z. | Z. Lesjtsjow | USSR |
| Lesnes, Philippe | Philippe Lesnes | France |
| Lesniewski, Michal | Michal Lesniewski | Poland |
| Lesniewski, NN. | NN. Lesniewski | Belgium |
| Lesniewski, Radoslaw | Radoslaw Lesniewski | Poland |
| Lesoffre, | Lesoffre | France |
| Lestshew, Evgenij | Evgenij Lestshew | USSR |
| Leszczynska, Katarzyna | Katarzyna Leszczynska | Poland |
| Let, van der, Andre | André van der Let | |
| Let, van der, Gerda | Gerda van der Let | |
| Let, van der, Henk Jan | Henk Jan van der Let | |
| Let, van der, Hilda | Hilda van der Let | |
| Let, van der, Jan | Jan van der Let ( - 01.08.1991) Add info | |
| Let, van der, Tamme | Tamme van der Let (31.03.1949 - 30.05.2020) Add info | |
| Let, van der, Wolter | Wolter van der Let | |
 Leter, Ferdinand | Ferdinand Leter | Suriname |
 Letteboer, Bertwin | Bertwin Letteboer | Witte van Moort Westerhaar |
| Letter, de, Rene | René de Letter | Belgium |
| Letyagova, Olga | Olga Letyagova | Russia |
| Leu, Marat | Marat Leu | Belarus |
| Leuchanka, Maksim | Maksim Leuchanka | Belarus |
| Leuffen, van, Wil | Wil van Leuffen | |
 Leunis, NN. | NN. Leunis | Zuid Holland |
| Leurs, Roger | Roger Leurs | Belgium |
 Leushuis, Hans | Hans Leushuis | Bornse Damvereniging Borne |
| Leushuis, Hans (dubbel) | dubbele invoer | |
 Leusink, Eric | Eric Leusink | EDC Enschede |
| Leusink, A. (dubbel) | dubbele invoer | |
| Levandovsky, Michailo Jaroslavovitsj | Michailo Levandovsky | Ukraine |
| Levchenko, Angelina | Angelina Levchenko | Russia |
 Levels, E. | E. Levels | Netherlands |
| Levels, Peter Christiaan | Piet Levels (01.11.1933 - 25.04.2008) Add info | |
| Levens, Robur | Robur Levens | Suriname |
| Leveque, Francis | Francis Leveque | France |
| Leveque, Jean-Pierre | Jean-Pierre Leveque | France |
| Leveque, Sebastien | Sébastien Leveque | Belgium |
 Lever, P. | P. Lever | Componisten |
| Levering, Remko | Remko Levering | |
| Levi, H.M. | H.M. Levi | |
 Levina, Olga | Olga Levina | Israel |
 Levins, Jakovs | Jakovs Levins | Latvia |
| Levinson, Eliazar | Eliazar Levinson | USSR |
| Levit, Aleksandr E. | Aleksandr E. Levit | Russia |
| Levitsky, Vladimir Marianovitsj | Vladimir Levitsky | Ukraine |
| Levko, Aleksandr | Aleksandr Levko | Belarus |
| Levman, Boris Semionovitsj | Boris Levman | Belarus |
 Levman, Semion Semionovitsj | Semion Levman (09.11.1896 - 31.03.1943) Add info | |
| Lewandowski, Jerzy | Jerzy Lewandowski | Poland |
| Lewandowski, Mateusz | Mateusz Lewandowski | Poland |
| Lewark, P. | P. Lewark | |
| Lewek, Antoni | Antoni Lewek | Poland |
 Lewgoy, Jairo | Jairo Lewgoy | Brazil |
| Lewicki, Oskar | Oskar Lewicki | Poland |
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