| Event: | Taekwondo – Men's 58 kg |
| Games: | 2019 |
| Venue: | Polideportivo Callao |
| Dates: | July 27 |
| Competitors: | 13 |
| Nations: | 13 |
| Win Label: | Winning score |
| Gold: | Lucas Guzmán |
| Goldnoc: | ARG |
| Silver: | Brandon Plaza |
| Silvernoc: | MEX |
| Bronze: | David Kim |
| Bronzenoc: | USA |
| Bronze2: | Paulo Ricardo Melo |
| Bronzenoc2: | BRA |
| Prev: | 2015 |
| Next: | 2023 |
The men's 58 kg competition of the taekwondo events at the 2019 Pan American Games took place on July 27 at the Polideportivo Callao.
The final results were: