| Event: | Women's 1500m Freestyle |
| Competition: | 2003 FINA World Aquatics Championships |
| Venue: | Palau Sant Jordi |
| Dates: | 21 July (prelims); 22 July (final) |
| Win Value: | 16 minutes 0.18 seconds |
| Gold: | Hannah Stockbauer |
| Goldnoc: | GER |
| Silver: | Hayley Peirsol |
| Silvernoc: | USA |
| Bronze: | Jana Henke |
| Bronzenoc: | GER |
| Prev: | 2001 |
| Next: | 2005 |
See main article: article and Swimming at the 2003 World Aquatics Championships.
The Women's 1500m Freestyle event at the 10th FINA World Aquatics Championships swam on 21–22 July 2003 in Barcelona, Spain. Preliminary[1] heats swam during the morning session on July 21, with the top-8 finishers advancing to swim again in the event's Final[2] during the evening session on July 22.
At the start of the event, the World (WR) and Championship (CR) records were:
| Place | Swimmer | Nation | Time | Notes |
|---|---|---|---|---|
| 1 | 16:00.18 | CR | ||
| 2 | 16:09.64 | |||
| 3 | 16:10.13 | |||
| 4 | 16:13.13 | NR | ||
| 5 | 16:14.28 | |||
| 6 | 16:15.98 | |||
| 7 | 16:20.41 | |||
| 8 | 16:29.06 | |||
| Rank | Heat+Lane | Swimmer | Nation | Time | Notes |
|---|---|---|---|---|---|
| 1 | H2 L5 | 16:15.55 | q | ||
| 2 | H1 L4 | 16:15.93 | q | ||
| 3 | H3 L4 | 16:15.95 | q | ||
| 4 | H3 L3 | 16:16.21 | q | ||
| 5 | H2 L4 | 16:16.78 | q | ||
| 6 | H1 L5 | 16:17.95 | q | ||
| 7 | H2 L8 | 16:20.34 | q | ||
| 8 | H1 L2 | 16:23.33 | q | ||
| 9 | H3 L6 | 16:25.50 | |||
| 10 | H1 L1 | 16:27.76 | NR | ||
| 11 | H2 L7 | 16:32.17 | |||
| 12 | H2 L2 | 16:32.19 | |||
| 13 | H2 L3 | 16:35.83 | |||
| 14 | H1 L6 | 16:38.70 | |||
| 15 | H3 L1 | 16:39.75 | |||
| 16 | H2 L6 | 16:41.81 | |||
| 17 | H3 L2 | 16:43.97 | |||
| 18 | H3 L5 | 16:45.48 | |||
| 19 | H3 L7 | 16:57.10 | |||
| 20 | H2 L1 | 16:58.64 | |||
| 21 | H1 L7 | 17:00.55 | |||
| 22 | H1 L3 | 17:14.85 | |||
| 23 | H3 L8 | 18:05.05 | |||