# Swimming at the 1984 Summer Olympics – Women's 4 × 100 metre freestyle relay

The final of the women's 4 × 100 metre freestyle relay event at the 1984 Summer Olympics was held in Los Angeles, California, on July 31, 1984.

## Records

Prior to this competition, the existing world and Olympic records were as follows.
| World record | East Germany (GDR) Barbara Krause (54.90) Caren Metschuck (55.61) Ines Diers (55.90) Sarina Hülsenbeck (56.30) | 3:42.71 | Moscow, Soviet Union | 27 July 1980 |
| Olympic record | East Germany (GDR) Barbara Krause (54.90) Caren Metschuck (55.61) Ines Diers (55.90) Sarina Hülsenbeck (56.30) | 3:42.71 | Moscow, Soviet Union | 27 July 1980 |

## Results
### Heats

Rule: The eight fastest teams advance to the final (Q).
| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 2 | 4 | United States | Dara Torres (56.88) Jill Sterkel (55.42) Jenna Johnson (55.63) Mary Wayte (55.63) | 3:43.56 | Q, AM |
| 2 | 1 | 4 | West Germany | Iris Zscherpe (57.04) Susanne Schuster (56.50) Christiane Pielke (56.90) Karin Seick (56.05) | 3:46.49 | Q, NR |
| 3 | 2 | 5 | Netherlands | Annemarie Verstappen (56.30) Elles Voskes (56.98) Desi Reijers (56.80) Wilma van Velsen (57.57) | 3:47.65 | Q |
| 4 | 1 | 6 | Australia | Lisa Curry (57.79) Angela Russell (57.11) Janet Tibbits (58.16) Michelle Pearson (56.55) | 3:49.61 | Q |
| 5 | 2 | 3 | Canada | Jane Kerr (57.82) Maureen New (57.66) Cheryl McArton (57.48) Carol Klimpel (57.44) | 3:50.40 | Q |
| 6 | 2 | 6 | Great Britain | Annabelle Cripps (58.67) Nicola Fibbens (57.24) Debra Gore (58.50) June Croft (57.06) | 3:51.47 | Q |
| 7 | 1 | 5 | Sweden | Maria Kardum (58.32) Agneta Eriksson (56.92) Petra Hildér (58.18) Malin Rundgren (58.85) | 3:52.27 | Q |
| 8 | 1 | 3 | France | Sophie Kamoun (58.40) Carole Amoric (57.74) Laurence Bensimon (58.74) Véronique Jardin (57.79) | 3:52.67 | Q |
| 9 | 2 | 7 | Italy | Monica Olmi (59.02) Silvia Persi (57.02) Grazia Colombo (58.40) Manuela Dalla Valle (58.45) | 3:52.89 | NR |
| 10 | 2 | 2 | Japan | Junko Sakurai (59.18) Chikako Nakamori (58.15) Miki Saito (58.98) Kaori Yanase (58.37) | 3:54.68 | |
| 11 | 1 | 2 | Mexico | Patricia Kohlmann (58.58) Teresa Rivera (59.01) Rosa Fuentes (1:00.80) Irma Huerta (59.92) | 3:58.31 | |
| 12 | 1 | 7 | Hong Kong | Kathy Wong (1:00.67) Fenella Ng (1:02.51) Lotta Flink (1:03.61) Chow Lai Yee (1:05.84) | 4:12.63 | |

### Final

| Rank | Lane | Nation | Swimmers | Time | Notes |
| | 4 | United States | Jenna Johnson (56.46) Carrie Steinseifer (55.87) Dara Torres (55.92) Nancy Hogshead (55.18) | 3:43.43 | AM |
| | 3 | Netherlands | Annemarie Verstappen (55.94) Elles Voskes (56.77) Desi Reijers (55.62) Conny van Bentum (56.07) | 3:44.40 | NR |
| | 5 | West Germany | Iris Zscherpe (57.26) Susanne Schuster (56.32) Christiane Pielke (56.24) Karin Seick (55.74) | 3:45.56 | NR |
| 4 | 6 | Australia | Michelle Pearson (56.51) Angela Russell (56.97) Anna McVann (58.26) Lisa Curry (56.05) | 3:47.79 | OC |
| 5 | 2 | Canada | Pamela Rai (57.70) Carol Klimpel (57.47) Cheryl McArton (57.52) Jane Kerr (56.81) | 3:49.50 | |
| 6 | 7 | Great Britain | June Croft (57.49) Nicola Fibbens (57.33) Debra Gore (57.24) Annabelle Cripps (58.06) | 3:50.12 | NR |
| 7 | 1 | Sweden | Maria Kardum (57.93) Agneta Eriksson (57.19) Petra Hildér (57.90) Karin Furuhed (58.22) | 3:51.24 | |
| 8 | 8 | France | Carole Amoric (58.58) Sophie Kamoun (57.24) Véronique Jardin (57.83) Laurence Bensimon (58.50) | 3:52.15 | NR |