| Naam en Voornaam/Voornamen | Naam Toernooibase | Club of Land |
 Skorecki, Lukasz | Lukasz Skorecki | Polen |
 Skorik, Sergei | Sergei Skorik | Rusland |
| Skorobogatov, Alexander | Alexander Skorobogatov | Rusland |
 Skorohod, Daryna | Daryna Skorohod | Ukraine |
| Skorupinski, Wiktor | Wiktor Skorupinski | Polen |
 Skovitina-Miskova, Elena | Elena Skovitina-Miskova | Moldavie |
| Skowronek, Daniel | Daniel Skowronek | Polen |
| Skrabov, Vladimir | Vladimir Skrabov | Rusland |
 Skramlikova, Helena | Helena Skramlikova | Tsjechie |
| Skriabina, Angelina | Angelina Skriabina | Rusland |
| Skriabina, Iuliana | Iuliana Skriabina | Rusland |
| Skripnichenko, Ganna | Ganna Skripnichenko | Ukraine |
| Skrobek, Marcel | Marcel Skrobek | Polen |
| Skryabin, Pavel | Pavel Skryabin | Rusland |
| Skryabina, Yilana | Yilana Skryabina | Rusland |
| Skrzynska, Danuta | Danuta Skrzynska | Polen |
 Skubrijeva, Nikola | Nikola Skubrijeva | Letland |
| Skutane, Melanija | Melanija Skutane | Letland |
 Skvortsov, Ivan Vasilijevitsj | Ivan Skvortsov | USSR |
| Skydan, Oleksandra | Oleksandra Skydan | Ukraine |
 Slaby, Antoine | Antoine Slaby (05.01.1928 - 06.02.2017) | Belgie |
| Slaby, Mme | Mme Slaby | Belgie |
 Slama, Asher | Asher Slama | Israel |
| Slambrouck, van, Gert | Gert van Slambrouck | Belgie |
| Slanina, Frantisek | Frantisek Slanina | Tsjechie |
| Slanina, Jaroslav | Jaroslav Slanina | Tsjechie |
| Slapinski, Andrzej | Andrzej Slapinski | Polen |
| Slava, Orest | Orest Slava | Ukraine |
| Slavinskas, Edvardas | Edvardas Slavinskas | Letland |
| Slavinskas, Z. | Z. Slavinskas | USSR |
| Slavinsks, A. | A. Slavinsks | Letland |
| Slavova, Nadejda | Nadejda Slavova | Rusland |
| Slavska, Oleksandra | Oleksandra Slavska | Ukraine |
| Sleahovscaia, Ana | Ana Sleahovscaia | Moldavie |
| Sleeuwaert, D. | D. Sleeuwaert | Belgie |
| Slenders, Theo | Theo Slenders | Belgie |
| Slezak, Arkadiusz | Arkadiusz Slezak | Polen |
| Slezak, Mariusz | Mariusz Slezak | Polen |
| Slezak, Zygmunt | Zygmunt Slezak | Polen |
 Slezkin, Pavel Aleksejevitsj | Pavel Slezkin (06.07.1883 - 03.05.1968) Voeg info toe | |
| Sliede, Jekabs | Jekabs Sliede | Letland |
 Slijngard, Achmed | Achmed Slijngard | Suriname |
 Slirina, Alexandra | Alexandra Slirina | Wit-Rusland |
| Slobodskoi, Lev | Lev Slobodskoi (23.07.1943 - 24.01.2019) Voeg info toe | |
| Sloma, Przemyslaw | Przemyslaw Sloma | Polen |
| Slonim, Shaham | Shaham Slonim | Israel |
| Slowinski, Marian | Marian Slowinski | Tsjechie |
| Sludkoviskih, Boris | Boris Sludkoviskih | Rusland |
 Slump, Jitse | Jitse Slump | Witte van Moort Westerhaar |
| Slusarenko, Yuriy | Yuriy Slusarenko | Ukraine |
 Smaidrys, Antanas | Antanas Smaidrys | Litouwen |
| Smaidrys, Sigitas | Sigitas Smadrys | Litouwen |
| Smal, NN. | NN. Smal | Belgie |
| Smaniotto, NN. | NN. Smaniotto | Belgie |
| Smedt, de, Leon | Leon de Smedt | Belgie |
| Smeets, Eddy | Eddy Smeets | Belgie |
| Smeets, Frank | Frank Smeets | Belgie |
| Smeets, Joris | Joris Smeets | Belgie |
| Smeets, Peter | Peter Smeets | Belgie |
| Smeets, Rina | Rina Smeets | Belgie |
| Smertin, Gleb | Gleb Smertin | Rusland |
| Smet, de, A. | A. de Smet | Belgie |
| Smet, de, Freddy | Freddy de Smet | Belgie |
| Smet, de, G. | G. de Smet | Belgie |
| Smet, de, Robert | Robert de Smet | Belgie |
| Smet, de, Rudy | Rudy de Smet | Belgie |
| Smeulders, R. | R. Smeulders | Belgie |
| Smiejkowski, Marianne | Marianne Smiejkowski | Belgie |
| Smirnov, Petr | Petr Smirnov | Rusland |
| Smirnov, Vladimir | Vladimir Smirnov | Rusland |
| Smirnova, Elena | Elena Smirnova | Ukraine |
| Smirnowa, Irina | Irina Smirnowa | Rusland |
| Smirnowa, Tatiana | Tatiana Smirnowa | Ukraine |
| Smit, Jaap | Jaap Smit | Belgie |
| Smith, Carl Sylvester | Carl Smith (26.01.1921 - 08.10.1992) Voeg info toe | |
 Smith, Eddie | Eddie Smith | USA |
| Smith, Jules Valois | Jules Valois Smith | Suriname |
 Smith, Samuel | Samuel Smith | Trinidad and Tobago |
 Smoczyck, Jerome | Jérôme Smoczyck | Frankrijk |
| Smolders, A. | A. Smolders | Belgie |
| Smolders, Guido | Guido Smolders | Belgie |
| Smolders, Louis | Louis Smolders | Belgie |
| Smoter, Wojciech | Wojciech Smoter | Polen |
 Smud, Mladen | Mladen Smud | Joegoslavie |
| Smulders, NN. | NN. Smulders | Belgie |
| Sniedzewski, Filip | Filip Sniedzewski | Polen |
| Snijder, Jan (blind) | Jan Snijder ( - 11.06.1990) Voeg info toe | |
| Snios, Pawel | Pawel Snios | Belgie |
| Snoeck, Tania | Tania Snoeck | Belgie |
 Soares, Aroldo Silva | Aroldo Silva Soares | Brazilie |
| Sobakina, Akulina | Akulina Sobakina | Rusland |
| Sobakina, Anastasiya | Anastasiya Sobakina | Rusland |
| Sobczyk, Robert | Robert Sobczyk | Polen |
 Sober, Elvia | Elvia Sõber | |
| Sobiegraj, Aneta-Kinga | Aneta-Kinga Sobiegraj | Polen |
| Sobiegraj, Marcin | Marcin Sobiegraj | Polen |
| Sobiegraj, Marta | Marta Sobiegraj | Polen |
| Sobkowska, Julia | Julia Sobkowska | Polen |
| Sobolewska, Karolina | Karolina Sobolewska | Polen |
| Sobotka, Ewelina | Ewelina Sobotka | Polen |
