| Başsan, Emrah | Antalyaspor (TUR) / Turkey U21 |  Turkey | Midfield |
| Bassett, Laura | Birmingham (ENG) / England WOCO |  England | Defender |
| Bassett, Chloe | UWIC (WAL) |  Wales | Midfield |
| Basson, Stéphane | France FUT |  France | Defender |
| Bassong, Sébastien | Norwich (ENG) |  Cameroon | Defender |
| Basta, Dušan | Udinese (ITA) / Serbia |  Serbia | Defender |
| Basta, Adrian | Bełchatów (POL) |  Poland | Defender |
| Bastos, Michel | Schalke (GER) | France | Midfield |
| Bastos, Yannick | Luxembourg U21 |  Luxembourg | Midfield |
| Baszcyznski, Marcin | Ruch (POL) | Poland | Defender |
| Batalla, Pablo | Bursaspor (TUR) |  Argentina | Midfield |
| Bâtea, Mara | Olimpia Cluj (ROU) / Romania WOCO / Romania WU19 |  Romania | Forward |
| Batha, Idriz | Besa (ALB) / Albania U21 |  Albania | Midfield |
| Batin, Paul Stefan | Braşov (ROU) | Romania | Midfield |
| Batshuayi, Michy | Standard Liège (BEL) |  Congo | Forward |
| Batshuayi, Mitshy | Belgium U21 |  Belgium | Forward |
| Bättig, Roland | Thun (SUI) |  Switzerland | Midfield |
| Battistini, Manuel | San Marino U21 / San Marino U19 |  San Marino | Midfield |
| Battistini, Michael | San Marino U17 | San Marino | Midfield |
| Battocchio, Martina | Verona (ITA) |  Italy | Midfield |
| Baturinskis, Aleksandrs | Daugava Rīga (LVA) / Latvia U21 |  Latvia | Defender |
| Batyrev, Andrei | Russia FUT |  Russia | Forward |
| Batz, Daniel | Freiburg (GER) |  Germany | Goalkeeper |
| Bauer, Patrick | Marítimo (POR) | Germany | |
| Bauer, Nicole | Austria WU19 |  Austria | Midfield |
| Baumane, Oļesja | Latvia WU17 | Latvia | Midfield |
| Baumann, Oliver | Freiburg (GER) / Germany U21 | Germany | Goalkeeper |
| Baumann, Sabine | Austria WOCO | Austria | Goalkeeper |
| Baumann, Noam | Switzerland U17 | Switzerland | Goalkeeper |
| Baumgartlinger, Julian | Mainz (GER) / Austria | Austria | Midfield |
| Baumgartner, Julian | Ried (AUT) | Austria | Defender |
| Baumgartner, Dominik | Austria U17 | Austria | Defender |
| Baur, Anja Maria | Switzerland WU17 | Switzerland | Midfield |
| Bavin, Yuri | Russia U19 | Russia | Midfield |
| Baxter, Lee | AIK (SWE) | England | Goalkeeper |
| Baykara, Deniz | Panthrakikos (GRE) | Turkey | Midfield |
| Bayraktar, Onur | Turkey FUT | Turkey | Forward |
| Bayram, Ömer | Kayserispor (TUR) / Turkey U21 | Turkey | Forward |
| Bayram Olgun | Ankaragücü (TUR) / Turkey U21 | Turkey | Goalkeeper |
| Bayramov , Fuad | Azerbaijan U19 |  Azerbaijan | Midfield |
| Bayryev, Azat | Alania (RUS) | Russia | Defender |
| Baysse, Paul | Brest (FRA) | France | Defender |
| Bayurzhan, Sherkhan | Kazakhstan U21 |  Kazakhstan | Midfield |
| Bayzhanov, Maksat | Kazakhstan | Kazakhstan | Midfield |
| Bazan, Dani | Encamp (AND) |  Andorra | Goalkeeper |
| Bazhan, Igor | Illychivets (UKR) |  Ukraine | Goalkeeper |
| Bazoer, Riechedly | Netherlands U17 |  Netherlands | Defender |
| Bažoutová, Lucie | Czech Republic WU19 |  Czech Republic | Defender |
| Beța, Dean | Romania U21 | Romania | Defender |
| Beade Pazos, Sebastian | Perth Youth Saltires (SCO) / Switzerland FUT | Switzerland | Defender |
