| Jerez Pagan, Raul | Murcia (ESP) |  Spain | Goalkeeper |
| Jerina, Kaja | Slovenia WOCO |  Slovenia | Defender |
| Jermolajevs , Edgars | Latvia U21 |  Latvia | Midfield |
| Jerofejevs, Arturs | Nikars (LVA) / Latvia FUT | Latvia | Forward |
| Jerome, Cameron | Stoke (ENG) |  England | Forward |
| Jervis, Jake | Elazığspor (TUR) | England | Forward |
| Jeslínek, Jiří | Kryvbas (UKR) |  Czech Republic | Forward |
| Jesper Hansen | Nordsjælland (DEN) / Denmark |  Denmark | Goalkeeper |
| Jessen, Sandra | Thór (ISL) / Iceland WU19 / Iceland WOCO |  Iceland | Midfield |
| Jessen, Mathilde | Denmark WU17 | Denmark | Midfield |
| Jéssica Chaveiro | 1° Dezembro (POR) |  Portugal | Defender |
| Jéssica Silva | Portugal WU19 / Portugal WOCO | Portugal | Forward |
| Jesulito | Spain FUT | Spain | Defender |
| Jesús Herrero | Interviú (ESP) / Spain FUT | Spain | Goalkeeper |
| Jesús Navas | Sevilla (ESP) / Spain | Spain | Midfield |
| Jesus Prata Carvalho, Catarina | 1° Dezembro (POR) | Portugal | Forward |
| Jeunechamp, Cyril | Montpellier (FRA) |  France | Midfield |
| Jevtić, Marijana | Pomurje (SVN) / Bosnia and Herzegovina WOCO |  Bosnia and Herzegovina | Midfield |
| Jevtic, Darko | Basel (SUI) |  Switzerland | Midfield |
| Jež, Róbert | Zagłębie (POL) / Slovakia |  Slovakia | Midfield |
| Ježek, Patrik | Admira (AUT) | Czech Republic | Midfield |
| Jgerenaia, Giorgi | Illychivets (UKR) / Georgia U21 |  Georgia | Defender |
| Jigauri, Jambul | Dinamo Tbilisi (GEO) / Georgia U21 | Georgia | Midfield |
| Jiménez, Celia | Spain WU19 | Spain | Defender |
| Jiménez, Javier | Spain U17 | Spain | Defender |
| Jin, Hulya | Azerbaijan WU19 |  Azerbaijan | Goalkeeper |
| Jintcharadze, Tamta | Georgia WU17 | Georgia | Defender |
| Jiráček, Petr | Hamburg (GER) / Czech Republic | Czech Republic | Midfield |
| Jiránek, Martin | Terek (RUS) | Czech Republic | Defender |
| Jishkariani, Nikoloz | Georgia U21 | Georgia | Defender |
| Joachim, Aurélien | Willem II (NED) / Luxembourg |  Luxembourg | Forward |
| Joan | Kairat (KAZ) |  Brazil | Forward |
| Joan | Barcelona (ESP) | Spain | Goalkeeper |
| Joana Flaviano | Athletic (ESP) / Spain WOCO | Spain | Midfield |
| Joana Marchão | Portugal WU19 | Portugal | Forward |
| João Amorim | Guimarães (POR) | Portugal | Defender |
| João Aurélio | Nacional (POR) | Portugal | Midfield |
| João Benedito | Sporting (POR) / Portugal FUT | Portugal | Goalkeeper |
| João Cancelo | Benfica (POR) / Portugal U19 | Portugal | Defender |
| João Carlos | Anji (RUS) | Brazil | Defender |
| João Coimbra | Estoril (POR) | Portugal | Midfield |
| João Costa | Portugal U17 | Portugal | Midfield |
| Joao De Oliveira | Switzerland U17 | Switzerland | Forward |
| João Diogo | Marítimo (POR) | Portugal | Midfield |
| João Gonçalves | Guimarães (POR) | Portugal | Forward |
| João Guilherme | Marítimo (POR) | Brazil | Defender |
| João Lima | Portugal U17 | Portugal | Defender |
| João Mário | Sporting (POR) | Portugal | Defender |
| João Matos | Sporting (POR) / Portugal FUT | Portugal | Defender |
| João Moutinho | Porto (POR) / Portugal | Portugal | Midfield |
