# Swimming at the 1984 Summer Olympics – Men's 100 metre backstroke

The final of the men's 100 metre backstroke event at the 1984 Summer Olympics was held in the McDonald's Olympic Swim Stadium in Los Angeles, California, on August 3, 1984.

## Records

Prior to this competition, the existing world and Olympic records were as follows.
| World record | Rick Carey (USA) | 55.19 | Caracas, Venezuela | 21 August 1983 |
| Olympic record | John Naber (USA) | 55.49 | Montreal, Canada | 19 July 1976 |

## 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 | 7 | 4 | Rick Carey | United States | 55.74 | Q |
| 2 | 6 | 4 | Dave Wilson | United States | 56.71 | Q |
| 3 | 2 | 5 | Mark Kerry | Australia | 57.15 | Q |
| 4 | 5 | 5 | Gary Hurring | New Zealand | 57.42 | Q |
| 5 | 2 | 4 | Hans Kroes | Netherlands | 57.48 | Q |
| 6 | 3 | 4 | Sandy Goss | Canada | 57.60 | Q |
| 7 | 4 | 4 | Bengt Baron | Sweden | 57.66 | Q |
| 8 | 5 | 4 | Mike West | Canada | 57.76 | Q |
| 9 | 7 | 3 | Ricardo Aldabe | Spain | 57.90 | q |
| 9 | 7 | 5 | Stefan Peter | West Germany | 57.90 | q |
| 11 | 4 | 3 | Nicolai Klapkarek | West Germany | 58.19 | q |
| 12 | 4 | 6 | Frédéric Delcourt | France | 58.22 | q |
| 13 | 4 | 5 | Paul Kingsman | New Zealand | 58.33 | q |
| 14 | 1 | 4 | David Orbell | Australia | 58.35 | q |
| 15 | 5 | 3 | Daichi Suzuki | Japan | 58.37 | q |
| 16 | 6 | 5 | Hans Fredin | Sweden | 58.39 | q |
| 17 | 3 | 5 | Neil Harper | Great Britain | 58.50 | |
| 18 | 5 | 2 | Paolo Falchini | Italy | 58.65 | |
| 19 | 6 | 3 | Ilias Malamas | Greece | 58.69 | |
| 20 | 2 | 3 | Kristofer Stivenson | Greece | 58.76 | |
| 21 | 4 | 2 | Lukman Niode | Indonesia | 58.77 | |
| 22 | 3 | 6 | Patrick Ferland | Switzerland | 58.78 | |
| 23 | 5 | 6 | Wang Hao | China | 59.13 | |
| 24 | 6 | 2 | Fabrizio Bortolon | Italy | 59.27 | |
| 25 | 1 | 5 | Giovanni Frigo | Venezuela | 59.34 | |
| 26 | 3 | 3 | Sharif Nour | Egypt | 59.63 | |
| 27 | 2 | 6 | Allan Marsh | Jamaica | 1:00.04 | |
| 28 | 6 | 6 | Ian Collins | Great Britain | 1:00.08 | |
| 29 | 3 | 2 | David Lim Fong Jock | Singapore | 1:00.65 | |
| 30 | 7 | 2 | Li Zhongyi | China | 1:00.66 | |
| 31 | 7 | 6 | David Morley | Bahamas | 1:01.29 | |
| 32 | 4 | 7 | Ernesto Vela | Mexico | 1:01.42 | |
| 33 | 3 | 7 | Emad El-Shafei | Egypt | 1:02.04 | |
| 34 | 6 | 7 | Fernando Rodríguez | Peru | 1:02.27 | |
| 35 | 7 | 7 | Alejandro Alvizuri | Peru | 1:02.63 | |
| 36 | 2 | 7 | Hugo Goossen | Suriname | 1:03.77 | |
| 37 | 5 | 7 | Erik Rosskopf | Virgin Islands | 1:03.82 | |
| 38 | 2 | 1 | Salvador Salguero | El Salvador | 1:04.99 | |
| 39 | 1 | 7 | Ernesto-José Degenhart | Guatemala | 1:05.63 | |
| 40 | 7 | 1 | Warren Sorby | Fiji | 1:05.81 | |
| 41 | 6 | 1 | Collier Woolard | Virgin Islands | 1:06.86 | |
| 42 | 5 | 1 | Joaquim Cruz | Mozambique | 1:10.86 | |
| 43 | 1 | 1 | David Palma | Honduras | 1:13.28 | |
| 44 | 3 | 1 | Ibrahim El-Baba | Lebanon | 1:13.76 | |
| | 4 | 1 | Rami Kantari | Lebanon | DSQ | |
| | 1 | 2 | Kemal Sadri Özün | Turkey | DNS | |
| | 1 | 3 | Andrew Phillips | Jamaica | DNS | |
| | 1 | 6 | Daniel Mulumba | Uganda | DNS | |
| | 2 | 2 | Alexander Pilhatsch | Austria | DNS | |

### Finals
#### Final B

| Rank | Lane | Name | Nationality | Time |
| 9 | 7 | David Orbell | Australia | 58.05 |
| 10 | 2 | Paul Kingsman | New Zealand | 58.19 |
| 11 | 1 | Daichi Suzuki | Japan | 58.30 |
| 11 | 5 | Stefan Peter | West Germany | 58.30 |
| 13 | 4 | Ricardo Aldabe | Spain | 58.31 |
| 13 | 8 | Hans Fredin | Sweden | 58.31 |
| 15 | 3 | Nicolai Klapkarek | West Germany | 58.56 |
| | 6 | Frédéric Delcourt | France | DSQ |

#### Final A

| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Rick Carey | United States | 55.79 | |
| | 5 | Dave Wilson | United States | 56.35 | |
| | 8 | Mike West | Canada | 56.49 | |
| 4 | 6 | Gary Hurring | New Zealand | 56.90 | NR |
| 5 | 3 | Mark Kerry | Australia | 57.18 | |
| 6 | 1 | Bengt Baron | Sweden | 57.34 | |
| 7 | 7 | Sandy Goss | Canada | 57.46 | |
| 8 | 2 | Hans Kroes | Netherlands | 58.07 | |