| A. Olsen, André | Vikingur (FRO) / Faroe Islands U21 |  Faroe Islands | Midfield |
| Aafjes, Gerard | Zwolle (NED) |  Netherlands | Midfield |
| Aaltonen, Patrick | Honka (FIN) / Finland U19 |  Finland | Midfield |
| Aaquist, Mads | Denmark U19 |  Denmark | Defender |
| Aarna, Signy | Estonia WOCO |  Estonia | Midfield |
| Aasheim, Tor Andre | Norway U17 |  Norway | Forward |
| Abaev, Ilia | Volga (RUS) |  Russia | Goalkeeper |
| Abasiyev, Abdulla | İnter Bakı (AZE) / Azerbaijan U21 |  Azerbaijan | Midfield |
| Abate, Ignazio | Milan (ITA) / Italy |  Italy | Defender |
| Abati, Beatrice | Italy WU17 | Italy | Midfield |
| Abazi, Ardjana | Ada Velipoje (ALB) |  Albania | Midfield |
| Abazi, Pajtim | Sweden FUT |  Sweden | Midfield |
| Abbasov, Rustam | Simurq (AZE) / Azerbaijan U21 | Azerbaijan | Defender |
| Abbasov, Urfan | Qäbälä (AZE) / Azerbaijan U21 | Azerbaijan | Defender |
| Abbaszade, Tural | Käpäz (AZE) / Azerbaijan U21 | Azerbaijan | Goalkeeper |
| Abbé, Caroline | Switzerland WOCO |  Switzerland | Defender |
| Abbeglen, Nico | Vaduz (LIE) / Switzerland U21 | Switzerland | Midfield |
| Abbiati, Christian | Milan (ITA) | Italy | Goalkeeper |
| Abbing, Yentl Fay | Netherlands WU17 | Netherlands | Midfield |
| Abbruscato, Elvis | Pescara (ITA) | Italy | Forward |
| Abbühl, Alessandra | Zürich (SUI) | Switzerland | Defender |
| Abdala, Gonzalo | Luparense (ITA) | Italy | Forward |
| Abdallah, Kassim | Marseille (FRA) |  country_com | Defender |
| Abdellaoue, Mohammed | Hannover (GER) / Norway | Norway | Forward |
| Abdennour, Aymen | Toulouse (FRA) |  Tunisia | Defender |
| Abdi, Liban | Olhanense (POR) |  Somalia | Forward |
| Abdihodžić, Almin | Bosnia and Herzegovina U21 |  Bosnia and Herzegovina | Goalkeeper |
| Abdoun, Djamel | Olympiacos (GRE) |  Algeria | Midfield |
| Abdulahi, Denis | Víkingur (ISL) / Finland U21 | Finland | Midfield |
| Abdülkadir Kayalı | Orduspor (TUR) / Turkey U21 |  Turkey | Midfield |
| Abdullah, Rafidine | Marseille (FRA) / France U19 |  France | Midfield |
| Abdullah Karmil | Trabzonspor (TUR) | Turkey | Defender |
| Abdullai, Zakaria | Gefle (SWE) |  Ghana | |
| Abdullayev, Araz | Azerbaijan / Azerbaijan U21 | Azerbaijan | Midfield |
| Abdullayev, Elshan | Azerbaijan U19 | Azerbaijan | Forward |
| Abdulov, Elnur | Qarabağ (AZE) / Azerbaijan U21 | Azerbaijan | Forward |
| Abdurahimi, Besart | Zagreb (CRO) / Croatia U21 |  Croatia | Forward |
| Abdurrahman Dereli | Kasımpaşa (TUR) | Turkey | Defender |
| Abeid, Mehdi | Newcastle (ENG) | France | Midfield |
| Abel, Mari | Estonia WU19 | Estonia | Forward |
| Abenzoar, Loïc | Lyon (FRA) | France | Defender |
| Abergel, Laurent | Marseille (FRA) | France | Defender |
| Abidal, Éric | Barcelona (ESP) | France | Defender |
| Abily, Camille | Lyon (FRA) / France WOCO | France | Midfield |
| Abiral, Melissa | Neulengbach (AUT) / Austria WU19 |  Austria | Goalkeeper |
| Abisheva, Zuleira | Kazakhstan WU17 |  Kazakhstan | Midfield |
| Abışov, Ruslan | Rubin (RUS) / Azerbaijan | Azerbaijan | Defender |
| Abo Shanab, Nora | Israel WOCO |  Israel | Forward |
| Ābola, Kristīne | Latvia WU17 |  Latvia | Defender |
| Āboliņa, Guna | Skonto (LVA) / Latvia WOCO | Latvia | Defender |
