Swimming at the 2000 Summer Olympics – Women's 4 × 100 metre medley relay Heats Heats

| Rank_ | Heat | Lane | Nation | Time_ |
|---|---|---|---|---|
| 1 | 2 | 4 | Australia | 4:04.75 |
| 2 | 2 | 5 | Japan | 4:05.76 |
| 3 | 3 | 3 | Germany | 4:06.02 |
| 4 | 3 | 4 | United States | 4:06.16 |
| 5 | 1 | 5 | South Africa | 4:07.19 |
| 6 | 1 | 4 | Great Britain | 4:07.52 |
| 7 | 2 | 6 | China | 4:08.27 |
| 8 | 2 | 3 | Canada | 4:08.47 |
| 9 | 2 | 2 | Russia | 4:09.64 |
| 10 | 3 | 5 | Sweden | 4:10.38 |
| 11 | 1 | 3 | Belgium | 4:10.98 |
| 12 | 1 | 2 | Poland | 4:11.08 |
| 13 | 1 | 7 | Hungary | 4:11.11 |
| 14 | 1 | 6 | Netherlands | 4:12.31 |
| 15 | 3 | 2 | Spain | 4:14.54 |
| 16 | 3 | 7 | Ukraine | 4:15.64 |
| 17 | 2 | 7 | South Korea | 4:16.93 |
| 18 | 3 | 6 | Romania | 4:23.56 |