| Keryakoplis, Hannah | Wales WOCO |  Wales | Forward |
| Kerzhakov, Aleksandr | Zenit (RUS) / Russia |  Russia | Forward |
| Keser, Polat | Antalyaspor (TUR) |  Turkey | Goalkeeper |
| Keseru, Claudiu Andrei | Angers (FRA) / Romania |  Romania | Forward |
| Keskin, Muhammet Sinan | Turkey U19 | Turkey | Midfield |
| Keskinen, Juho | Finland FUT |  Finland | Goalkeeper |
| Kessler, Nadine | Wolfsburg (GER) / Germany WOCO |  Germany | Midfield |
| Kesteloot, Lien | Belgium WOCO |  Belgium | Defender |
| Ketels, Ruben | Lokeren (BEL) | Belgium | Forward |
| Ketiš, Sara | Slovenia WU17 |  Slovenia | Forward |
| Ketoja, Riikka | Finland WU19 | Finland | Midfield |
| Ketonen, Katariina | PK-35 (FIN) | Finland | Midfield |
| Ketting, Jeroen | Zwolle (NED) |  Netherlands | |
| Kettings, Chris | Scotland U21 |  Scotland | Goalkeeper |
| Kettlewell, Stuart | Ross County (SCO) | Scotland | |
| Khachatryan, Armine | College (ARM) / Armenia WOCO |  Armenia | Defender |
| Khachatryan, Grisha | Banants (ARM) / Armenia U21 | Armenia | |
| Khachatryan, Vardan | Armenia U17 | Armenia | Defender |
| Khachatryan, Khachatur | Armenia U17 | Armenia | Midfield |
| Khachaturov, Artyom | Moldova U21 / Armenia / Czech Republic | Armenia | Midfield |
| Khachaturyan, Andrei | Belarus |  Belarus | Forward |
| Khacheridi, Yevhen | Dynamo Kyiv (UKR) / Ukraine |  Ukraine | Defender |
| Khairulina, Ksenia | Kazakhstan WU17 |  Kazakhstan | Midfield |
| Khairullin, Rinat | Kazakhstan U19 | Kazakhstan | Midfield |
| Khairullin, Marat | Kazakhstan | Kazakhstan | Midfield |
| Khakimov, Yusup | Azerbaijan U17 |  Azerbaijan | Defender |
| Khalafova, Madina | Azerbaijan WU17 | Azerbaijan | Goalkeeper |
| Khalezov, Pavel | Kazakhstan U19 | Kazakhstan | Defender |
| Khalili, Imad | Norrköping (SWE) |  Sweden | Midfield |
| Khalili, Saboor | Hamburg (GER) | Germany | Defender |
| Khalilova, Sugra | Azerbaijan WU17 | Azerbaijan | Forward |
| Khalyavin, Vitaliy | Kairat (KAZ) / Kazakhstan FUT | Kazakhstan | Goalkeeper |
| Khanzatyan, Vardine | Armenia WOCO | Armenia | Midfield |
| Kharaishvili, Giorgi | Georgia U17 |  Georgia | Midfield |
| Kharchenko, Nadezhda | Rossiyanka (RUS) / Russia WOCO | Russia | Midfield |
| Kharitonov, Aleksandr | Volga (RUS) | Russia | Midfield |
| Kharitonovich, Aleksei | Belarus U21 | Belarus | Goalkeeper |
| Kharlanova, Anastasia | Belarus WOCO | Belarus | Midfield |
| Kharsiyeva, Zalina | Kazakhstan WU19 | Kazakhstan | Defender |
| Kharun-Zade, Mikhail | Kazakhstan U17 | Kazakhstan | Midfield |
| Khashmanyan, Mikayel | Armenia U17 | Armenia | Defender |
| Khassal , Cherelle | Republic of Ireland WOCO |  Republic of Ireland | Midfield |
| Khavanska, Nadiia | Iceland WOCO / Ukraine WOCO | Ukraine | Midfield |
| Khavanskaya, Anastasia | Universitet (BLR) / Belarus WOCO | Belarus | Forward |
| Khazri, Wahbi | Bastia (FRA) / France U21 |  France | Forward |
| Khedira, Sami | Real Madrid (ESP) / Germany | Germany | Midfield |
| Khedira, Rani | Stuttgart (GER) | Germany | Midfield |
| Khelifa, Saber | Évian (FRA) |  Tunisia | Forward |
| Khelifi, Salim | Lausanne (SUI) / Switzerland U19 |  Switzerland | Midfield |
| Khimich, Tamila | Legenda Chernigiv (UKR) / Ukraine WU19 | Ukraine | Midfield |
