| Afellay, Ibrahim | Schalke (GER) / Netherlands |  Netherlands |
| Affane, Amin | Roda (NED) / Sweden U19 |  Sweden |
| Aga, Maria-Laura | Standard (BEL) / Belgium WOCO / Belgium WU19 |  Belgium |
| Agaev, Murad | Azerbaijan / Azerbaijan U21 |  Azerbaijan |
| Agalarov, Kamil | Anji (RUS) |  Russia |
| Agius, Edmond | Malta |  Malta |
| Agius, Terence | Malta U19 | Malta |
| Agius, Lee James | Hamrun (MLT) / Malta U21 | Malta |
| Aguilar, Abel | Deportivo (ESP) |  Colombia |
| Agustien, Kemy | Swansea (WAL) | Netherlands |
| Agyriba, Joseph | AEK (GRE) |  Ghana |
| Ahmadov, Haji | Qarabağ (AZE) / Azerbaijan U21 / Azerbaijan | Azerbaijan |
| Åhman Persson, Robert | AIK (SWE) | Sweden |
| Ahmedov , Odil | Anji (RUS) |  Uzbekistan |
| Ahonen, Patrik | Finland U17 |  Finland |
| Ahtinen, Olga | Finland WU17 | Finland |
| Aigner, Stefan | Eintracht Frankfurt (GER) |  Germany |
| Aimar, Pablo | Benfica (POR) |  Argentina |
| Ainsalu, Mihkel | Estonia U17 |  Estonia |
| Aissati, Ismaïl | Antalyaspor (TUR) |  Morocco |
| Aitymova, Aigerim | Kazakhstan WOCO |  Kazakhstan |
| Ajdarević, Astrit | Standard Liège (BEL) / Sweden U21 | Sweden |
| Akahoshi, Takafumi | Pogoń (POL) |  Japan |
| Akelyte , Monika | Lithuania WU19 |  Lithuania |
| Akouili, Sofian | Willem II (NED) |  Netherlands Antilles |
| Akpan, Hope | Reading (ENG) |  England |
| Aksentijević, Nikola | Vitesse (NED) |  Serbia |
| Alaba, David | Bayern (GER) / Austria |  Austria |
| Aladağ, Emin | Akhisar (TUR) |  Turkey |
| Alaj, Ramadan | Albania FUT |  Albania |
| Alan | Braga (POR) |  Brazil |
| Alan Patrick | Shakhtar Donetsk (UKR) | Brazil |
| Alanen, Emmi | Finland WOCO | Finland |
| Alanzinho | Trabzonspor (TUR) | Brazil |
| Albæk, Mads | Midtjylland (DEN) / Denmark U21 |  Denmark |
| Albano Neves, Daniel | Ibra Göteborg (SWE) | Sweden |
| Albelda, David | Valencia (ESP) |  Spain |
| Alberg, Roland | Elazığspor (TUR) | Netherlands |
| Alberman, Gal | M. Tel-Aviv (ISR) / Israel |  Israel |
| Albrighton, Marc | Aston Villa (ENG) | England |
| Ałdaś, Damian | Poland U21 |  Poland |
| Aleksanyan, Kristina | Armenia WOCO |  Armenia |
| Aleksanyan, Artak | Pyunik (ARM) / Armenia U21 | Armenia |
| Aleksić, Danijel | St-Étienne (FRA) | Serbia |
| Aleksievich, Ilya | Belarus U21 / Belarus |  Belarus |
| Aleksiyan, Kirill | Belarus U21 | Belarus |
| Alessandrini, Romain | Rennes (FRA) |  France |
| Alessandro, Alessio | Belgium U17 | Belgium |
| Alex | Mika (ARM) / Armenia | Armenia |
| Álex Bergantiños | Deportivo (ESP) | Spain |
