These are the results of the diving competition at the 2003 World Aquatics Championships, which took place in Barcelona, Spain.
Medal table
edit| Rank | Nation | Gold | Silver | Bronze | Total |
|---|---|---|---|---|---|
| 1 |  China (CHN) | 4 | 4 | 4 | 12 |
| 2 |  Russia (RUS) | 2 | 2 | 2 | 6 |
| 3 |  Australia (AUS) | 2 | 2 | 0 | 4 |
| 4 |  Canada (CAN) | 2 | 0 | 1 | 3 |
| 5 |  Germany (GER) | 0 | 1 | 1 | 2 |
| 6 |  Ukraine (UKR) | 0 | 1 | 0 | 1 |
| 7 |  Finland (FIN) | 0 | 0 | 1 | 1 |
 Mexico (MEX) | 0 | 0 | 1 | 1 | |
| Totals (8 entries) | 10 | 10 | 10 | 30 | |
Medal summary
editMen
edit| Event | Gold | Silver | Bronze |
| 1 m springboard |
Xiang Xu (CHN) 431.94 |
Wang Kenan (CHN) 412.41 |
Joona Puhakka (FIN) 391.26 |
| 3 m springboard |
Aleksandr Dobroskok (RUS) 788.37 |
Peng Bo (CHN) 780.84 |
Dmitri Sautin (RUS) 776.64 |
| 10 m platform |
Alexandre Despatie (CAN) 716.91 |
Mathew Helm (AUS) 697.74 |
Tian Liang (CHN) 696.06 |
| 3 m springboard synchro |
Aleksandr Dobroskok Dmitri Sautin 369.18 |
Wang Tianling Wang Feng 343.29 |
Tobias Schellenberg Andreas Wels 334.44 |
| 10 m platform synchro |
Mathew Helm Robert Newbery 384.60 |
Roman Volodkov Anton Zakharov 372.60 |
Tian Liang Hu Jia 367.14 |
Women
edit| Event | Gold | Silver | Bronze |
| 1 m springboard |
Irina Lashko 299.97 |
Conny Schmalfuss 296.13 |
Blythe Hartley 291.33 |
| 3 m springboard |
Guo Jingjing 617.94 |
Yuliya Pakhalina 611.58 |
Wu Minxia 589.80 |
| 10 m platform |
Émilie Heymans 597.45 |
Lao Lishi 595.56 |
Li Na 563.43 |
| 3 m springboard synchro |
Guo Jingjing Minxia Wu 357.30 |
Vera Ilyina Yuliya Pakhalina 321.24 |
Paola Espinosa Laura Sánchez 299.64 |
| 10 m platform synchro |
Lao Lishi Li Ting 344.58 |
Lynda Dackiw Loudy Tourky 323.34 |
Evgenya Olshevskaya Svetlana Timoshinina 300.12 |