2012 Zomer Olympische Spelen - Atleten
| Atleet | Sport |
|---|---|
 Daniel Bailey | Athletiek |
 Kemar Bailey-Cole | Athletiek |
 Timothy Baillie | Canoe/Kayak |
 Angie Bainbridge | Aquatics |
 Balázs Baji | Athletiek |
 Lars Bak | Wielrennen |
 Emile Bakale | Aquatics |
 Keshia Baker | Athletiek |
| Yvette Baker | Aquatics |
 Mohammed Abduh Bakhet | Athletiek |
 Amina Bakhit | Athletiek |
 Norayr Bakhtamyan | Schieten |
 Ole Magnus Bakken | Schieten |
 Maria Baklakova | Aquatics |
| Sergey Bakulin | Athletiek |
| Aleksandr Balandin | Gymnastiek |
 Gustavo Balart | Worstelen |
 Zsofia Balazs | Aquatics |
 Serhat Balci | Worstelen |
 Egidijus Balciunas | Canoe/Kayak |
 Filippo Baldassari | Zeilen |
 Claudia Balderrama | Athletiek |
| Andrea Baldini | Schermen |
| Robert Bale | Aquatics |
 Anabel Balkenhol | Ruiter |