# 2001 World Championships in Athletics – Women's 400 metres hurdles

These are the official results of the Women's 400 metres hurdles event at the 2001 IAAF World Championships in Edmonton, Alberta, Canada.

## Medalists

| Gold | Nezha Bidouane Morocco (MAR) |
| Silver | Yuliya Nosova Russia (RUS) |
| Bronze | Daimí Pernía Cuba (CUB) |

## Results
### Heats

Qualification: First 3 in each heat (Q) and the next 4 fastest (q) advanced to the semifinals.
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 2 | Yuliya Nosova | Russia | 54.43 | Q |
| 2 | 1 | Nezha Bidouane | Morocco | 54.55 | Q |
| 3 | 1 | Debbie-Ann Parris | Jamaica | 54.81 | Q |
| 4 | 2 | Tonja Buford-Bailey | United States | 54.99 | Q |
| 5 | 3 | Sandra Glover | United States | 55.38 | Q |
| 6 | 4 | Deon Hemmings | Jamaica | 55.39 | Q |
| 7 | 3 | Daimí Pernía | Cuba | 55.40 | Q |
| 8 | 2 | Ionela Târlea | Romania | 55.41 | Q |
| 9 | 1 | Małgorzata Pskit | Poland | 55.45 | Q |
| 10 | 1 | Yvonne Harrison | Puerto Rico | 55.63 | q, NR |
| 11 | 1 | Natalya Torshina | Kazakhstan | 55.69 | q |
| 12 | 3 | Monika Niederstatter | Italy | 55.83 | Q, SB |
| 13 | 1 | Karlene Haughton | Canada | 55.94 | q, SB |
| 14 | 2 | Anna Olichwierczuk | Poland | 55.98 | q |
| 15 | 4 | Sinead Dudgeon | Great Britain | 56.07 | Q, SB |
| 16 | 4 | Brenda Taylor | United States | 56.28 | Q |
| 17 | 2 | Mame Tacko Diouf | Senegal | 56.44 | SB |
| 18 | 4 | Heike Meissner | Germany | 56.79 | |
| 19 | 3 | Surita Febbraio | South Africa | 56.80 | |
| 20 | 2 | Sylvanie Morandais | France | 56.85 | |
| 21 | 3 | Melaine Walker | Jamaica | 57.10 | |
| 21 | 4 | Andrea Blackett | Barbados | 57.10 | |
| 23 | 2 | Keri Maddox | Great Britain | 57.55 | |
| 24 | 4 | Noraseela Khalid | Malaysia | 59.12 | |
| | 4 | Tetyana Tereshchuk-Antipova | Ukraine | DNS | |

### Semifinals

Qualification: First 4 in each semifinal qualified directly (Q) for the final.
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 1 | Daimí Pernía | Cuba | 53.81 | Q, WL |
| 2 | 1 | Nezha Bidouane | Morocco | 53.85 | Q, SB |
| 3 | 1 | Debbie-Ann Parris | Jamaica | 53.88 | Q, PB |
| 4 | 2 | Yuliya Nosova | Russia | 54.03 | Q |
| 5 | 2 | Tonja Buford-Bailey | United States | 54.15 | Q, SB |
| 6 | 2 | Deon Hemmings | Jamaica | 54.47 | Q, SB |
| 7 | 2 | Ionela Târlea | Romania | 54.92 | Q |
| 8 | 1 | Sandra Glover | United States | 55.04 | Q, SB |
| 9 | 1 | Małgorzata Pskit | Poland | 55.28 | |
| 10 | 2 | Anna Olichwierczuk | Poland | 55.64 | |
| 11 | 1 | Karlene Haughton | Canada | 55.68 | SB |
| 12 | 1 | Monika Niederstatter | Italy | 56.37 | |
| 13 | 1 | Natalya Torshina | Kazakhstan | 56.45 | |
| 14 | 2 | Brenda Taylor | United States | 56.52 | |
| 15 | 2 | Yvonne Harrison | Puerto Rico | 56.70 | |
| 16 | 2 | Sinead Dudgeon | Great Britain | 56.92 | |

### Final

| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Nezha Bidouane | Morocco | 53.34 | WL |
| | 5 | Yuliya Nosova | Russia | 54.27 | |
| | 3 | Daimí Pernía | Cuba | 54.51 | |
| 4 | 6 | Tonja Buford-Bailey | United States | 54.55 | |
| 5 | 1 | Debbie-Ann Parris | Jamaica | 54.68 | |
| 6 | 7 | Ionela Târlea | Romania | 55.36 | |
| 7 | 8 | Deon Hemmings | Jamaica | 55.83 | |
| 8 | 2 | Sandra Glover | United States | 57.42 | |