2012 Zomer Olympische Spelen - Atleten
| Atleet | Sport |
|---|---|
 Gisela Dulko | Tennis |
 Troy Dumais | Aquatics |
 Emiliano Dumestre | Roeien |
 Rares Dumitrescu | Schermen |
| Alina Dumitru | Judo |
 Franck Dumoulin | Schieten |
 Jason Dunford | Aquatics |
| David Dunford | Aquatics |
 Josh Dunkley-Smith | Roeien |
 Dylan Dunlop-Barrett | Aquatics |
 Maria Dunn | Worstelen |
 Thi Viet Anh Duong | Athletiek |
 Imke Duplitzer | Schermen |
 Mariana Duque | Tennis |
 Kristijan Durasek | Wielrennen |
 Niclas Düring | Zeilen |
| Bojan Durkovic | Schieten |
 Stephanie Durocher | Aquatics |
 Nadiya Dusanova | Athletiek |
 Yogeshwar Dutt | Worstelen |
| Phillip Dutton | Ruiter |
 Filip Dvorak | Canoe/Kayak |
 Živa Dvoršak | Schieten |
| Conor Dwyer | Aquatics |
 Alexander Dyachenko | Canoe/Kayak |