| Betão | Évian (FRA) |  Brazil | Defender |
| Betão | Kairat (KAZ) | Brazil | Forward |
| Betinho | Paris (FRA) | Brazil | Forward |
| Betinho | Sporting (POR) |  Portugal | Forward |
| Betinho | Iberia Star (GEO) | Brazil | Forward |
| Beto | Sevilla (ESP) / Portugal | Portugal | Goalkeeper |
| Betos, Michelle | Apollon (CYP) |  USA | Goalkeeper |
| Betschart, Sandra | Zürich (SUI) / Switzerland WOCO |  Switzerland | Defender |
| Bettmer, Gilles | Luxembourg |  Luxembourg | Midfield |
| Bettmer, Rachel | Progrès (LUX) / Luxembourg WOCO | Luxembourg | Midfield |
| Betül Öztürk | Turkey WU17 |  Turkey | Defender |
| Beugelsdijk, Tommie | Den Haag (NED) |  Netherlands | Defender |
| Beunardeau, Quentin | Le Mans (FRA) / France U19 |  France | Goalkeeper |
| Beutler, Barbara | Zürich (SUI) / Switzerland WOCO | Switzerland | Defender |
| Bevanda, Tomo | Bosnia and Herzegovina FUT |  Bosnia and Herzegovina | Forward |
| Bevc, Timotej | Litija (SVN) |  Slovenia | Goalkeeper |
| Beykan Şimşek | Fenerbahçe (TUR) | Turkey | Forward |
| Beynon, Emma | Wales WU17 |  Wales | Midfield |
| Beyza Kocatürk | Turkey WU17 | Turkey | Defender |
| Bezděková, Tereza | Czech Republic WU19 |  Czech Republic | Midfield |
| Bezlikhotnov, Nikita | Russia U21 |  Russia | Midfield |
| Bezotosnyi, Dmytro | Chornomorets Odesa (UKR) |  Ukraine | Goalkeeper |
| Bezruk, Dmytro | Ukraine U17 | Ukraine | Goalkeeper |
| Bezus, Roman | Dynamo Kyiv (UKR) / Ukraine / Ukraine U21 | Ukraine | Midfield |
| Bezuščonoks, Deniss | Latvia U17 |  Latvia | Defender |
| Bezykornovas, Marius | Nautara Kaunas (LTU) / Lithuania FUT |  Lithuania | Forward |
| Bezzina, Johan | Malta U19 / Malta U21 |  Malta | Midfield |
| Biabiany, Jonathan | Parma (ITA) | France | Forward |
| Biaganti, Marco | Catania (ITA) |  Italy | Midfield |
| Bianchetti, Matteo | Italy U21 | Italy | Defender |
| Bianchi, Rolando | Torino (ITA) | Italy | Forward |
| Bianchi, Alessandro | Folgore/Falciano (SMR) / San Marino |  San Marino | Forward |
| Bianchi, Manuel | San Marino FUT | San Marino | Defender |
| Bianchi, Leonardo | Eden College (IRL) | Brazil | Forward |
| Biava, Giuseppe | Lazio (ITA) | Italy | Defender |
| Bibilov, Shota | Volga (RUS) / Russia U21 | Russia | Midfield |
| Bic, Ovidiu | Romania U19 |  Romania | Midfield |
| Biçer, Cengiz | Mersin (TUR) / Liechtenstein |  Liechtenstein | Goalkeeper |
| Bicfalvi, Eric | Volyn (UKR) | Romania | Midfield |
| Bičík, David | Mersin (TUR) | Czech Republic | Goalkeeper |
| Bickersteth, Mathias Findalen | København (DEN) |  Denmark | Midfield |
| Bidermane, Ieva | Latvia WOCO | Latvia | Midfield |
| Bidlovsiy, Vladimir | Karpaty (UKR) | Ukraine | Midfield |
| Bidstrup, Espen | BGA (DEN) / Denmark FUT | Denmark | Defender |
| Biebauw, Wouter | Mechelen (BEL) |  Belgium | Goalkeeper |
| Biel, Bartosz | Poland U19 |  Poland | Midfield |
| Bielawski, Adrian | Poland U17 | Poland | Defender |
| Bieler, Alexander | Mönchengladbach (GER) |  Germany | Midfield |
| Biemans, Bart | Roda (NED) | Belgium | Defender |
| Bieniuk, Jaroslaw | Lechia (POL) | Poland | Defender |
