 Eleanor Bezzina | Tiro |
 Manu Bhaker | Tiro |
| Sarthak Bhambri | |
 Romina Biagioli | Triatlón |
| Cecilia Biagioli | Aquatics |
 Ilaria Bianchi | Aquatics |
 Yao Bianwa | Ciclismo |
 Timo Bichler | Ciclismo |
 Bence Bicsák | Triatlón |
 Walid Bidani | |
 Quentin Bigot | Atletismo |
 Benjamin Bildstein | Vela |
 Simone Biles | Gimnasia |
 Simonas Bilis | Aquatics |
| Mathieu Billot | Ecuestre |
 Lauren Billys | Ecuestre |
 Mathieu Bilodeau | Atletismo |
| Feng Bin | Atletismo |
 Saif Bin Futtais | Tiro |
 Khairulnizam Bin Mohd Afendy | Vela |
 Martin Binedell | Aquatics |
| Bingfeng | |
| Khamica Bingham | Atletismo |
| He Bingjiao | Bádminton |
| Li Bingjie | Aquatics |