Swimming at the 1984 Summer Olympics – Men's 4 × 100 metre freestyle relay
The final of the men's 4 × 100 metre freestyle relay event at the 1984 Summer Olympics was held in Los Angeles, California, on August 2, 1984. 23 teams participated in the heats, with the eight fastest qualifying for the final.
Records
Prior to this competition, the existing world and Olympic records were as follows.The following new world and Olympic records were set during this competition.
| Date | Event | Name | Nationality | Time | Record |
| 2 August | Heat 3 | Neil Brooks Greg Fasala Michael Delany Mark Stockwell | 3:19.94 | ||
| 2 August | Final | Chris Cavanaugh Mike Heath Matt Biondi Rowdy Gaines | 3:19.03 |
Results
Heats
Rule: The eight fastest teams advance to the final.| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 3 | 5 | Neil Brooks Greg Fasala Michael Delany Mark Stockwell | 3:19.94 | Q, | |
| 2 | 3 | 4 | Matt Biondi Chris Cavanaugh Tom Jager Robin Leamy | 3:19.94 | Q | |
| 3 | 2 | 4 | Rikard Milton Michael Söderlund Mikael Örn Per Johansson | 3:23.86 | Q, NR | |
| 4 | 3 | 6 | David Lowe Roland Lee Paul Easter Richard Burrell | 3:24.59 | Q | |
| 5 | 2 | 5 | Stéphan Caron Laurent Neuville Dominique Bataille Bruno Lesaffre | 3:24.68 | Q, NR | |
| 6 | 1 | 4 | Dirk Korthals Alexander Schowtka Nicolai Klapkarek Michael Gross | 3:24.69 | Q, NR | |
| 7 | 3 | 8 | Marcello Guarducci Raffaele Franceschi Metello Savino Marco Colombo | 3:25.37 | Q, NR | |
| 8 | 3 | 3 | Sandy Goss Alex Baumann Blair Hicken Levente Mady | 3:25.94 | Q | |
| 9 | 1 | 5 | Dano Halsall Stéfan Voléry Thierry Jacot Roger Birrer | 3:26.61 | ||
| 10 | 2 | 1 | Cyro Delgado Jorge Fernandes Djan Madruga Ronald Menezes | 3:27.33 | ||
| 11 | 2 | 3 | Edsard Schlingemann Peter Drost Frank Drost Hans Kroes | 3:27.33 | ||
| 12 | 1 | 3 | Alberto Mestre Alberto José Umana Rafael Vidal Jean-Marie François | 3:30.24 | ||
| 13 | 2 | 2 | Hiroshi Sakamoto Shigeo Ogata Taihei Saka Satoshi Sumida | 3:30.45 | ||
| 14 | 2 | 6 | Fernando Cañales Miguel Figueroa Antonio Portela Rafael Gandarillas | 3:30.66 | ||
| 15 | 1 | 6 | Mu Lat Feng Dawei Chen Qin Shen Jianqiang | 3:30.82 | ||
| 16 | 1 | 2 | José Medina Ramiro Estrada César Sánchez Carlos Romo | 3:33.86 | ||
| 17 | 3 | 2 | Ang Peng Siong Oon Jin Teik David Lim Fong Jock Oon Jin Gee | 3:34.63 | ||
| 18 | 1 | 1 | Andrew Phillips Deryck Marks Allan Marsh Gordon Scarlett | 3:34.87 | ||
| 19 | 3 | 7 | Kemal Sabri Özün İhsan Sabri Özün Ahmed Nakkas Gökhan Attaroglu | 3:36.54 | ||
| 20 | 1 | 7 | Erik Rosskopf Brian Farlow Collier Woolard Scott Newkirk | 3:43.49 | ||
| 21 | 3 | 1 | Rodrigo Leal Fernando Marroquin Roberto Granados Ernesto-José Degenhart | 3:52.18 | ||
| 22 | 2 | 8 | Salvador Corelo Juan José Piro David Palma Rodolfo Torres | 3:55.87 | ||
| 2 | 7 | Mohamed Youssef Sharif Nour Ahmed Eid Ahmed Said |