Swimming at the 2000 Summer Olympics – Women's 100 metre butterfly Heats Heats

| Heat | Lane | Name_ | Nationality | Time_ |
|---|---|---|---|---|
| 7 | 7 | Mandy Loots | South Africa | 59.94 |
| 6 | 1 | Cécile Jeanson | France | 59.96 |
| 6 | 2 | Liu Limin | China | 59.98 |
| 7 | 2 | Vered Borochovski | Israel | 1:00.34 |
| 4 | 4 | Jen Button | Canada | 1:00.83 |
| 5 | 8 | Jessica Deglau | Canada | 1:00.97 |
| 7 | 6 | Maki Mita | Japan | 1:00.97 |
| 4 | 7 | Fabienne Dufour | Belgium | 1:01.15 |
| 4 | 8 | Orsolya Ferenczy | Hungary | 1:01.15 |
| 7 | 1 | Ruan Yi | China | 1:01.16 |
| 6 | 8 | Joscelin Yeo | Singapore | 1:01.28 |
| 5 | 2 | Daniela Samulski | Germany | 1:01.31 |
| 4 | 6 | Renate du Plessis | South Africa | 1:01.32 |
| 4 | 5 | María Peláez | Spain | 1:01.47 |
| 4 | 2 | Margaretha Pedder | Great Britain | 1:01.53 |
| 5 | 1 | Yekaterina Vinogradova | Russia | 1:01.54 |
| 3 | 3 | Maria Papadopoulou | Cyprus | 1:01.64 |