| Name and firstname(s) | Name Toernooibase | Club or Country |
 Iacono, Stefano | Stefano Iacono | Italy |
 Iakovlev, Ergis | Ergis Iakovlev | Russia |
 Ianetta, Ma | Ma Ianetta | Belgium |
| Ianetta, Mi | Mi Ianetta | Belgium |
| Iarukov, Stanislav | Stanislav Iarukov | Russia |
| Iazzag, Tahar | Tahar Iazzag | Belgium |
 Ibinga, Jean-Claude Ping | Jean-Claude Ping Ibinga | Gabon |
| Ibragimov, Vildan | Vildan Ibragimov | Russia |
 Ibrahim, Adiatou (dubbel) | dubbele invoer | |
 Ibrahim, Adiatu Adesoji | Adiatu Adesoji Ibrahim | CEMA - De Vaste Zet Geleen |
 Ibrahim, Ayuub | Ayuub Ibrahim | |
| Ibrahim, Ibrahim | Ibrahim Ibrahim | |
 Ibrahimov, Ilgar | Ilgar Ibrahimov | Azerbaidzjan |
| Ibrahimov, Mikayil | Mikayil Ibrahimov | Azerbaidzjan |
| Ibrahimov, Mushviq | Mushviq Ibrahimov | Azerbaidzjan |
| Ibrahimova, Sabina | Sabina Ibrahimova | Azerbaidzjan |
 Ibrjam, Erol | Erol Ibrjam | Czech Republic |
| Icha, Richard | Richard Icha | Czech Republic |
 Ichikawa, Koki | Koki Ichikawa | Japan |
 Idea, Ali Jonas | Ali Jonas Idea | Ethiopia |
 Idema, Lieke | Lieke Idema | Almelo |
 Idnurm, Andres | Andres Idnurm | Estonia |
 Idoe, Farid | Farid Idoe | Den Haag |
| Idrisova, Aygul | Aygul Idrisova | Russia |
 Idrissa, Salissou | Salissou Idrissa | Benin |
 Idsinga, Durk | Durk Idsinga | Oerterp - Drachten |
 Idzerda, Pieter Hendrik | Piet Idzerda (19.08.1907 - 26.02.1973) Add info | |
| Idziejczak, Igor | Igor Idziejczak | Belgium |
| Iedema, H. | H. Iedema | |
 Iersel, van, Cees | Cees van Iersel | Heijmans Excelsior Rosmalen |
| Ieva, Pileckaite (dubbel) | dubbele invoer | |
| Ieven, Jobbe | Jobbe Ieven | Belgium |
 Ifaso, Mao | Mao Ifaso | Congo Democratic Republic |
 Igaly, Cedomir | Cedomir Igaly | E-Dame |
| Igaly, Goran | Goran Igaly | E-Dame |
 Igdir, Bulent | Bülent Igdir | De Hofstad Dammers |
 Ignacia, Eugene | Eugene Ignacia | Curacao |
 Ignatowski, Antoni | Antoni Ignatowski | Poland |
 Igrejas, Antonio Eduardo | Antonio Eduardo Igrejas | Brazil |
 Ihnatsenka, Yulia | Yulia Ihnatsenka | Belarus |
| IJff, Cornelis | Cornelis IJff (08.04.1917 - 09.07.1945) Add info | |
 IJpelaar, Gijs | Gijs IJpelaar | D.A.M. Dongen |
| IJsbrandy, Kees | Kees IJsbrandy | |
 IJssel, van den, Lize | Lize van den IJssel | Haarlemse Damclub |
| IJssel Jr., Gerardo | Gerardo IJssel Jr. (06.10.1973 - 15.01.2019) Add info | |
 IJssel Sr., Gerrit | Gerrit IJssel Sr. | Het Groene Hart |
| IJsselstein, D. | D. IJsselstein | |
 IJsselstein, Wim | Wim IJsselstein | Denk en ZDV |
 IJzendoorn, Geraldo | Geraldo IJzendoorn | Austerlitz |
 IJzendoorn, van, Dick | Dick van IJzendoorn | MDV Monster |
 IJzendoorn, van, Dirk | Dirk van IJzendoorn | VELO Wateringen |
| IJzendoorn, van, Joy | Joy van IJzendoorn | |
 IJzendoorn, van, Martijn | Martijn van IJzendoorn | Damlust Gouda |
| IJzendoorn, van, Nalinie | Nalinie van IJzendoorn | |
| IJzer, Orlando | Orlando IJzer | Den Haag |
| IJzerman, Anthonie | Ton IJzerman (21.04.1942 - 28.07.2002) Add info | |
| IJzerman, Wim | Wim IJzerman | E-Dame |
| IJzermans, Andre | André IJzermans | Belgium |
| IJzermans, Jean | Jean IJzermans | Belgium |
 Ikamas, V. | V. Ikamas | Latvia |
| Ikaunieks, Miks | Miks Ikaunieks | Latvia |
| Ikeda, Nao | Nao Ikeda | Japan |
| Ilahibaks, Glenn | Glenn Ilahibaks ( - 16.09.1993) Add info | |
| Ilasz, Jakub | Jakub Ilasz | Poland |
 Ilboudo, Daniel | Daniel Ilboudo | Burkina Faso |
| Ilboudo, Djaffar | Djaffar Ilboudo | Burkina Faso |
| Ilboudo, Hamado | Hamado Ilboudo | Burkina Faso |
| Ilboudo, Maxime | Maxime Ilboudo | Burkina Faso |
| Ilboudo, Patrice | Patrice Ilboudo | Burkina Faso |
| Ilboudo, Saidou | Saidou Ilboudo | Burkina Faso |
| Ilboudo, Saidou K | Saidou K Ilboudo | Burkina Faso |
| Ilegems, Peter | Peter Ilegems | Belgium |
| Ilegems, S. | S. Ilegems | Belgium |
| Ileghem, NN. | NN. Ileghem | Belgium |
| Iliasov, Ivan | Ivan Iliasov | Russia |
 Iliassou, Mouanji | Mouanji Iliassou | Cameroon |
| Iliassou, Wah Payou Mouanji | Wah Payou Mouanji Iliassou | Cameroon |
| Ilienko, Pavel | Pavel Ilienko | Russia |
 Iliesku, Dmitry | Dmitry Iliesku | Moldava, Republic of |
| Ilin, Daniil | Daniil Ilin | Russia |
| Ilison, Sim | Sim Ilison | Estonia |
| Iljasenko, Ivars | Ivars Iljasenko | Latvia |
| Iljin, Pavel | Pavel Iljin (06.05.1976 - 26.04.2021) Add info | |
| Iljinskaja, Sofia | Sofia Iljinskaja | Czech Republic |
| Illiassou, Wah | Wah Illiassou | Cameroon |
| Illy, Paul | Paul Illy | Burkina Faso |
| Ilmenskaia, Daria | Daria Ilmenskaia | Russia |
 Ilnicka, Natalia | Natalia Ilnicka | Ukraine |
| Ilnicki, Ivan | Ivan Ilnicki | Ukraine |
| Ilnicki, Taras | Taras Ilnicki | Ukraine |
 Ilshansky, Moshe | Moshe Ilshansky | Israel |
| Ilunga, Oscar | Oscar Ilunga | Belgium |
| Ilves, Urmo | Urmo Ilves | Estonia |
| Ilya, Kostenko | Kostenko Ilya | Ukraine |
| Ilyasov, Andrey | Andrey Ilyasov | Ukraine |
 Imanaliev, Bach | Bach Imanaliev | USSR |
 Imandi, Mohamed | Mohamed Imandi | Suriname |
| Imanuel, Fabian | Fabian Imanuel | Suriname |
| Immeker, Alex | Alex Immeker | |
| Imming, Niek | Niek Imming (07.05.1930 - 07.05.2009) Add info | |
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