| Anyukevich, Aleksandr | Belarus U21 |  Belarus |
| Anyukov, Aleksandr | Zenit (RUS) / Russia |  Russia |
| Aogo, Dennis | Hamburg (GER) |  Germany |
| Apakidze, Nikoloz | Baia (GEO) / Georgia U21 |  Georgia |
| Apam, Onyekachi | Rennes (FRA) |  Nigeria |
| Apap, Ferdinando | Mosta (MLT) / Malta U21 |  Malta |
| Apostolopoulos, Alexis | PAOK (GRE) / Greece U21 |  Greece |
| Apostolov, Artur | Moldova U19 |  Moldova |
| Arab, Samir | Valletta (MLT) / Malta U19 | Malta |
| Aradóttir, Írunn | Stjarnan (ISL) / Iceland WU19 |  Iceland |
| Arapi, Renato | Albania |  Albania |
| Arbeloa, Álvaro | Real Madrid (ESP) / Spain |  Spain |
| Arboleda, Manuel | Lech (POL) |  Colombia |
| Arce, Nicolas | Pescara (ITA) |  Argentina |
| Archibald, Chloe | Northern Ireland WOCO |  Northern Ireland |
| Areias | Guimarães (POR) |  Portugal |
| Arge, Marko | Tulevik (EST) / Estonia FUT |  Estonia |
| Argyropoulos, Leonidas | Platanias (GRE) | Greece |
| Ari | Barcelona (ESP) |  Brazil |
| Arias, Santiago | Sporting (POR) | Colombia |
| Ariaudo, Lorenzo | Cagliari (ITA) |  Italy |
| Arkivuo, Kari | Häcken (SWE) / Finland |  Finland |
| Arlet, Vasile | Lexmax (MDA) / Moldova FUT | Moldova |
| Armand, Sylvain | PSG (FRA) |  France |
| Armaş, Igor | Kuban (RUS) / Moldova | Moldova |
| Arnaldo | Nikars (LVA) | Portugal |
| Arnaoutoglou, Panagiotis | Greece U17 | Greece |
| Arnardóttir, Gudrún | Iceland WU19 | Iceland |
| Arnarson, Adam Örn | Iceland U19 | Iceland |
| Arnorsdóttir, Katla Run | Iceland WU17 | Iceland |
| Arnth, Janni | Fortuna (DEN) / Denmark WOCO |  Denmark |
| Aronica, Salvatore | Palermo (ITA) | Italy |
| Arrondel, Alvin | PSG (FRA) | France |
| Arslan, Koray | Antalyaspor (TUR) |  Turkey |
| Arslanagic, Dino | Standard Liège (BEL) / Belgium U21 |  Belgium |
| Arsova, Milka | ZFK Nase (MKD) / FYROM WOCO |  FYROM |
| Arsovska, Marina | ZFK Nase (MKD) / FYROM WOCO | FYROM |
| Arst, Antti | Estonia FUT | Estonia |
| Arthur, Cloe | Scotland WU19 |  Scotland |
| Artimavičius, Lukas | Tauras (LTU) / Lithuania U19 |  Lithuania |
| Artinos, Panagiotis | Athina '90 (GRE) / Greece FUT | Greece |
| Artjunin, Artjom | Estonia U21 | Estonia |
| Arvidsson, Jesper | Djurgården (SWE) |  Sweden |
| Arzo, César | Gent (BEL) | Spain |
| Arzumanyan, Robert | Aktobe (KAZ) / Armenia |  Armenia |
| Asatryan, Murad | Armenia U17 | Armenia |
| Ásbjörnsson, David Thor | Fylkir (ISL) / Iceland U21 | Iceland |
| Ašćerić, Mersiha | Sarajevo (BIH) / Bosnia and Herzegovina WOCO |  Bosnia and Herzegovina |
| Aschauer, Verena | Austria WOCO |  Austria |
| Aškovski, Stefan | FYROM U21 | FYROM |
