Swimming at the 1983 Pan American Games – Men's 100 metre breaststroke
# Swimming at the 1983 Pan American Games – Men's 100 metre breaststroke

The men's 100 metre breaststroke competition of the swimming events at the 1983 Pan American Games took place on 17 August. The last Pan American Games champion was Steve Lundquist of US.

This race consisted of two lengths of the pool, both lengths being in breaststroke.

## Results

All times are in minutes and seconds.

| KEY: | q | Fastest non-qualifiers | Q | Qualified | GR | Games record | NR | National record | PB | Personal best | SB | Seasonal best |
| - | - | - | - | - | - | - | - | - | - | - | - | - |

### Final

The final was held on August 17.

| Rank | Name | Nationality | Time | Notes |
| - | - | - | - | - |
| | Steve Lundquist | United States | 1:02.28 | WR |
| | John Moffet | United States | 1:02.36 | |
| | Pablo Restrepo | Colombia | 1:03.89 | SA |
| 4 | Marco Veilleux | Canada | 1:04.87 | |
| 5 | Luiz Carvalho | Brazil | 1:05.97 | |
| 6 | Julio Falon | Argentina | 1:06.37 | |
| 7 | Pedro Hernández | Cuba | 1:06.85 | |
| 8 | Glen Sochasky | Venezuela | 1:06.87 | NR |
