# Swimming at the 1984 Summer Olympics – Women's 100 metre freestyle

The final of the women's 100 metre freestyle event at the 1984 Summer Olympics was held in the McDonald's Olympic Swim Stadium in Los Angeles, California, on July 29, 1984.

## Records

Prior to this competition, the existing world and Olympic records were as follows.
| World record | Barbara Krause (GDR) | 54.79 | Moscow, Soviet Union | 21 July 1980 |
| Olympic record | Barbara Krause (GDR) | 54.79 | Moscow, Soviet Union | 21 July 1980 |

## Results
### Heats

Rule: The eight fastest swimmers advance to final A (Q), while the next eight to final B (q).
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 6 | 4 | Nancy Hogshead | United States | 55.85 | Q |
| 2 | 2 | 4 | Annemarie Verstappen | Netherlands | 56.11 | Q |
| 3 | 3 | 4 | Carrie Steinseifer | United States | 56.46 | Q |
| 4 | 4 | 3 | Michelle Pearson | Australia | 56.75 | Q, OC |
| 5 | 3 | 5 | Susanne Schuster | West Germany | 56.85 | Q |
| 6 | 4 | 4 | Conny van Bentum | Netherlands | 56.94 | Q |
| 7 | 5 | 4 | June Croft | Great Britain | 57.12 | Q |
| 8 | 6 | 5 | Angela Russell | Australia | 57.30 | Q |
| 9 | 1 | 5 | Iris Zscherpe | West Germany | 57.31 | q |
| 10 | 4 | 5 | Pamela Rai | Canada | 57.41 | q |
| 11 | 1 | 3 | Sophie Kamoun | France | 57.49 | q |
| 12 | 2 | 3 | Silvia Persi | Italy | 57.62 | q |
| 13 | 5 | 5 | Nicola Fibbens | Great Britain | 57.80 | q |
| 14 | 5 | 3 | Maria Kardum | Sweden | 58.22 | q |
| 15 | 6 | 3 | Agneta Eriksson | Sweden | 58.43 | q |
| 16 | 2 | 5 | Jane Kerr | Canada | 58.46 | q |
| 17 | 1 | 4 | Kaori Yanase | Japan | 58.47 | |
| 18 | 3 | 3 | Maarit Vähäsaari-Sihvonen | Finland | 58.51 | |
| 19 | 3 | 6 | Marie-Thérèse Armentero | Switzerland | 58.73 | |
| 20 | 4 | 6 | Patricia Kohlmann | Mexico | 58.76 | |
| 21 | 5 | 6 | Chikako Nakamori | Japan | 59.00 | |
| 22 | 3 | 7 | Ding Jilian | China | 59.11 | |
| 23 | 2 | 6 | Sofia Dara | Greece | 59.25 | |
| 24 | 6 | 2 | Grazia Colombo | Italy | 59.43 | |
| 25 | 1 | 6 | Teresa Rivera | Mexico | 59.61 | |
| 26 | 6 | 7 | Yan Hong | China | 1:00.45 | |
| 27 | 6 | 6 | Virginia Sachero | Argentina | 1:00.53 | |
| 28 | 2 | 2 | Carmel Clark | New Zealand | 1:00.63 | |
| 29 | 5 | 2 | Shelley Cramer | Virgin Islands | 1:00.65 | |
| 30 | 4 | 7 | Kim Jin-suk | South Korea | 1:00.91 | |
| 31 | 4 | 2 | Sandra Crousse | Peru | 1:01.02 | |
| 32 | 2 | 7 | Kathy Wong | Hong Kong | 1:01.03 | |
| 33 | 5 | 7 | Carol Ann Heavey | Ireland | 1:01.34 | |
| 34 | 3 | 2 | Fenella Ng | Hong Kong | 1:01.82 | |
| 35 | 1 | 2 | Faten Ghattas | Tunisia | 1:02.00 | |
| 36 | 5 | 1 | Christine Jacob | Philippines | 1:02.43 | |
| 37 | 2 | 1 | Blanca Morales | Guatemala | 1:02.48 | |
| 38 | 6 | 1 | Helen Chow | Malaysia | 1:02.53 | |
| 39 | 1 | 7 | Anna Doig | New Zealand | 1:02.72 | |
| 40 | 4 | 1 | Sherwite Hafez | Egypt | 1:02.78 | |
| 41 | 5 | 8 | Karen Slowing-Aceituno | Guatemala | 1:03.46 | |
| 42 | 3 | 1 | Nevine Hafez | Egypt | 1:04.06 | |
| 43 | 1 | 1 | Sharon Pickering | Fiji | 1:04.25 | |
| 44 | 6 | 8 | Daniela Galassi | San Marino | 1:06.19 | |
| 45 | 4 | 8 | María Lardizábal | Honduras | 1:07.80 | |

### Finals
#### Final B

| Rank | Lane | Name | Nationality | Time |
| 9 | 4 | Iris Zscherpe | West Germany | 57.19 |
| 10 | 6 | Silvia Persi | Italy | 57.24 |
| 11 | 2 | Nicola Fibbens | Great Britain | 57.36 |
| 12 | 5 | Pamela Rai | Canada | 57.56 |
| 13 | 3 | Sophie Kamoun | France | 57.81 |
| 14 | 8 | Jane Kerr | Canada | 57.85 |
| 15 | 1 | Agneta Eriksson | Sweden | 58.08 |
| 16 | 7 | Maria Kardum | Sweden | 58.12 |

#### Final A

| Rank | Lane | Name | Nationality | Time |
| | 4 | Nancy Hogshead | United States | 55.92 |
| | 3 | Carrie Steinseifer | United States | 55.92 |
| | 5 | Annemarie Verstappen | Netherlands | 56.08 |
| 4 | 7 | Conny van Bentum | Netherlands | 56.43 |
| 5 | 6 | Michelle Pearson | Australia | 56.83 |
| 6 | 1 | June Croft | Great Britain | 56.90 |
| 7 | 2 | Susanne Schuster | West Germany | 57.11 |
| 8 | 8 | Angela Russell | Australia | 58.09 |