| Kildemoes, Maja | Denmark WU17 |  Denmark | Defender |
| Kilgallon, Matthew | Sunderland (ENG) |  England | Defender |
| Kilic, Samed | France U17 |  France | Midfield |
| Killas, Nicholas Ioannis | Cyprus U21 |  Cyprus | Defender |
| Kimadze, Giorgi | Chikhura (GEO) / Georgia U21 |  Georgia | Defender |
| Kimberly Brandão | Portugal WOCO |  Portugal | Defender |
| Kinclová, Veronika | Czech Republic WU19 |  Czech Republic | Forward |
| Kinda, Gizacho Gadi | Israel U19 |  Israel | Midfield |
| Kindstedt, Rebecca | Finland WU17 |  Finland | Defender |
| King, Andy | Leicester (ENG) / Wales |  Wales | Midfield |
| King, Andy | Wales | Wales | Midfield |
| King, Joshua | Norway / Norway U21 |  Norway | Forward |
| King, Seejou | Nordsjælland (DEN) | Denmark | Defender |
| King, Billy | Hearts (SCO) |  Scotland | Midfield |
| Kingsley, Stephen | Falkirk (SCO) / Scotland U19 | Scotland | Defender |
| Kink, Tarmo | Győr (HUN) / Estonia |  Estonia | Midfield |
| Kinkela, Christian | Moreirense (POR) | France | Midfield |
| Kinsella, Clare | Peamount (IRL) |  Republic of Ireland | Forward |
| Kiose, Tatsiana | Zorka-BDU (BLR) / Belarus WOCO |  Belarus | Midfield |
| Kipouros, Fotis | Platanias (GRE) |  Greece | Goalkeeper |
| Kirakosyan, Edgar | Shahumyan (ARM) / Armenia FUT |  Armenia | Forward |
| Király, Gábor | 1860 München (GER) / Hungary |  Hungary | Goalkeeper |
| Kirch, Oliver | Dortmund (GER) |  Germany | Defender |
| Kirchberger, Virginia | Austria WOCO |  Austria | Defender |
| Kirchhoff, Jan Tilman | Mainz (GER) / Germany U21 | Germany | Defender |
| Kireev, Igor | Rostov (RUS) |  Russia | Midfield |
| Kireva, Borislava | NSA Sofia (BUL) / Bulgaria WOCO |  Bulgaria | Forward |
| Kirgizbaeva, Begaim | BIIK (KAZ) / Kazakhstan WOCO |  Kazakhstan | Midfield |
| Kiriakidis, Dimitrios | Levadiakos (GRE) | Greece | Goalkeeper |
| Kirichenko, Dmitri | Rostov (RUS) | Russia | Forward |
| Kirillov, Yuri | Dinamo Moskva (RUS) / Russia U21 | Russia | Midfield |
| Kirilov, Radoslav | Chievo (ITA) / Bulgaria U21 | Bulgaria | Midfield |
| Kirjanovaitė, Indrė | Gintra (LTU) / Lithuania WOCO |  Lithuania | Defender |
| Kirkeskov, Mikkel | AGF (DEN) / Denmark U21 | Denmark | Defender |
| Kirkitadze, David | Georgia U21 | Georgia | Midfield |
| Kirm, Andraž | Groningen (NED) / Slovenia |  Slovenia | Midfield |
| Kirov, Aleksandr | Kazakhstan | Kazakhstan | Midfield |
| Kirovski, Aleksandar | Serbia U21 |  Serbia | Goalkeeper |
| Kirsebom, Terje | Norway FUT | Norway | Goalkeeper |
| Kirss, Robert | Estonia U19 | Estonia | Forward |
| Kiryakov, Rosen | Varna (BUL) | Bulgaria | Forward |
| Kiš, Tomislav | Croatia U19 |  Croatia | Forward |
| Kisa, Bilal | Akhisar (TUR) |  Turkey | Midfield |
| Kiselyov, Vitaliy | Ukraine FUT |  Ukraine | Defender |
| Kisenkov, Vladimir | Rostov (RUS) | Russia | Defender |
| Kiskaç, Mehmet Sarper | Ankara (TUR) | Turkey | Defender |
| Kiskonen, Marina | Rossiyanka (RUS) / Russia WU19 | Russia | Forward |
| Kislick, Johanna | Austria WU17 | Austria | Forward |
| Kislitsyn, Aleksandr | Tobol (KAZ) / Kazakhstan | Kazakhstan | Defender |
| Kislyak, Sergei | Rubin (RUS) / Belarus | Belarus | Midfield |
