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.Results
Heats
Rule: The eight fastest teams advance to the final.| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 2 | 4 | Dara Torres Jill Sterkel Jenna Johnson Mary Wayte | 3:43.56 | Q, AM | |
| 2 | 1 | 4 | Iris Zscherpe Susanne Schuster Christiane Pielke Karin Seick | 3:46.49 | Q, NR | |
| 3 | 2 | 5 | Annemarie Verstappen Elles Voskes Desi Reijers Wilma van Velsen | 3:47.65 | Q | |
| 4 | 1 | 6 | Lisa Curry Angela Russell Janet Tibbits Michelle Pearson | 3:49.61 | Q | |
| 5 | 2 | 3 | Jane Kerr Maureen New Cheryl McArton Carol Klimpel | 3:50.40 | Q | |
| 6 | 2 | 6 | Annabelle Cripps Nicola Fibbens Debra Gore June Croft | 3:51.47 | Q | |
| 7 | 1 | 5 | Maria Kardum Agneta Eriksson Petra Hildér Malin Rundgren | 3:52.27 | Q | |
| 8 | 1 | 3 | Sophie Kamoun Carole Amoric Laurence Bensimon Véronique Jardin | 3:52.67 | Q | |
| 9 | 2 | 7 | Monica Olmi Silvia Persi Grazia Colombo Manuela Dalla Valle | 3:52.89 | NR | |
| 10 | 2 | 2 | Junko Sakurai Chikako Nakamori Miki Saito Kaori Yanase | 3:54.68 | ||
| 11 | 1 | 2 | Patricia Kohlmann Teresa Rivera Rosa Fuentes Irma Huerta | 3:58.31 | ||
| 12 | 1 | 7 | Kathy Wong Fenella Ng Lotta Flink Chow Lai Yee | 4:12.53 |