 Malgorzata Bialecka | Zeilen |
 Ilaria Bianchi | Aquatics |
 Chai Biao | Badminton |
 Olha Bibik | Athletiek |
 Yulia Bichik | Roeien |
 Walid Bidani | Gewichtheffen |
 Paul Biedermann | Aquatics |
 Yiech Pur Biel | Athletiek |
 Fiona Bigwood | Ruiter |
| Tetyana Bilenko | Tafeltennis |
 Simone Biles | Gymnastiek |
 Simonas Bilis | Aquatics |
 Cindy Billaud | Athletiek |
| Gregory Billington | Triatlon |
 Lauren Billys | Ruiter |
 Mathieu Bilodeau | Athletiek |
| Lv Bin | Boksen |
| Dong Bin | Athletiek |
| Yang Bin | Worstelen |
| Feng Bin | Athletiek |
 Saif Bin Futtais | Schieten |
 Khairulnizam Bin Mohd Afendy | Zeilen |
| Zhang Binbin | Schieten |
 Abhinav Bindra | Schieten |
 Wilfried Bingangoye | Athletiek |