2024 Zomer Olympische Spelen - Atleten
| Atleet | Sport |
|---|---|
 Ana Barbosu | Gymnastiek |
 Jaclyn Barclay | |
 Vfiyaleta Bardzilouskaya | |
| Viyaleta Bardzilouskaya | Gymnastiek |
 Selemon Barega | |
 Michael Bargeron | |
| Elinor Barker | Wielrennen |
 Mehran Barkhordari | Taekwondo |
 Justin Barnes | |
 Zandrian Barnes | |
| Thomas Barras | |
 Tomas Barrios Vera | Tennis |
 Ian Barrows | Zeilen |
| Canyon Barry | |
 Mutaz Essa Barshim | Athletiek |
 Nicola Bartolini | |
| Martina Bartolomei | |
| Trevor Bassitt | |
 Khulan Batkhuyag | Worstelen |
| Haley Batten | Wielrennen |
| Michela Battiston | |
| Nadia Battocletti | Athletiek |
| Baasankhuu Bavuudorj | Judo |
 Cassandre Beaugrand | Triatlon |
| Michael Beckett |