2012 Zomer Olympische Spelen - Atleten
| Atleet | Sport |
|---|---|
 Azza Besbes | Schermen |
 Irina Bespalova | Aquatics |
| Mariya Bespalova | Athletiek |
 Gabriela Best | Roeien |
 Ana Betancourt | Worstelen |
 Berta Betanzos | Zeilen |
 Yoandri Betanzos | Athletiek |
| Artur Beterbiev | Boksen |
 Charles Betts | Worstelen |
 Sam Bewley | Wielrennen |
 Simon Beyeler | Schieten |
 Ursa Bezan | Aquatics |
 Sergiy Bezugly | Canoe/Kayak |
 Jai Bhagwan | Boksen |
 Arjan Bhullar | Worstelen |
| Mahesh Bhupathi | Tennis |
 Yauhen Biadulin | Judo |
| Cecilia Biagioli | Aquatics |
 Ilaria Bianchi | Aquatics |
 Aude Biannic | Wielrennen |
 Chai Biao | Badminton |
| Nora Bicet | Athletiek |
 Bence Biczo | Aquatics |
 Walid Bidani | Gewichtheffen |
 Mohammad Bidaryan | Aquatics |