| Event: | Men's 110 metres hurdles |
| Games: | 1979 |
| Venue: | Estadio Sixto Escobar |
| Dates: | 9 & 11 July |
| Win Value: | 13.20 |
| Win Label: | Winning time |
| Gold: | Renaldo Nehemiah |
| Goldnoc: | USA |
| Silver: | Alejandro Casañas |
| Silvernoc: | CUB |
| Bronze: | Charles Foster |
| Bronzenoc: | USA |
| Prev: | 1975 |
| Next: | 1983 |
The men's 110 metres hurdles sprint competition of the athletics events at the 1979 Pan American Games took place on 9 and 11 July at the Estadio Sixto Escobar.[1] [2] The defending Pan American Games champion was Alejandro Casañas of Cuba.
Prior to this competition, the existing world and Pan American Games records were as follows:
| World record | 13.00 | Westwood, United States | May 6, 1979 | ||
| Pan American Games record | 13.4 | Winnipeg, Canada | 1967 |
| KEY: | WR | World Record | GR | Pan American Record |
Wind:
Heat 1: +0.1 m/s, Heat 2: +0.3 m/s
| Rank | Heat | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 1 | 13.38 | Q[4] | |||
| 2 | 2 | 13.53 | Q | |||
| 3 | 2 | 13.72 | Q | |||
| 4 | 1 | 14.14 | Q | |||
| 5 | 1 | 14.27 | Q | |||
| 6 | 2 | 14.37 | Q | |||
| 7 | 1 | 14.46 | q | |||
| 8 | 1 | 14.53 | q | |||
| 9 | 2 | 14.76 | ||||
| 10 | 1 | 14.90 |
Wind: +2.0 m/s
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| Renaldo Nehemiah | 13.20 | GR | |||
| Alejandro Casañas | 13.46 | ||||
| Charles Foster | 13.56 | ||||
| 4 | Pat Forgarty | 14.13 | |||
| 5 | Rafael Echevarría | 14.15 | |||
| 6 | Dionisio Vera | 14.32 | |||
| 7 | Mariano Reyes | 14.73 | |||
| 8 | Jesús Costas | 14.75 |