Mexico at the 2003 Pan American Games
Mexico participated at the 14th Pan American Games, held in Santo Domingo, the Dominican Republic, from 1 to 17 August 2003.Medals
Gold
Athletics
;Track
;Road
| Athlete | Event | Time | Rank |
| Francisco Bautista | Men's marathon | 2:25:50 | 5 |
| Benjamín Paredes | Men's marathon | DNF | — |
| Angélica Sánchez | Women's marathon | 2:53:56 | 7 |
| Isabel Juárez | Women's marathon | DNF | — |
| Bernardo Segura | Men's 20 km race walk | 1:23:31 | |
| Alejandro López | Men's 20 km race walk | 1:24:33 | |
| Victoria Palacios | Women's 20 km race walk | 1:35:16 | |
| Rosario Sánchez | Women's 20 km race walk | 1:35:21 | |
| Germán Sánchez | Men's 50 km race walk | 4:05:02 | |
| Omar Zepeda | Men's 50 km race walk | DSQ | — |
;FieldBasketball
Men's tournament
- Anthony Norwood
- Adam Parada
- David Meza
- Horacio Llamas
- Omar López
- Ramsés Benítez
- Víctor Mariscal
- Omar Quintero
- Víctor Ávila
- Enrique Zúñiga
- Jorge Rochín
- David Crouse
Head Coach:
Swimming
Men's competitions
Women's competitions
Triathlon
