The field hockey tournament at the 2003 Pan American Games was held in the Santo Domingo Stadium, Santo Domingo, Dominican Republic from August 1–17, 2003.
It served as a qualification tournament for the 2004 Summer Olympics in Athens, Greece.
First place received a ticket for the Olympic tournament.
A total of eight men's and eight women's teams qualified to compete at the games.
The eight quotas in both the men's and women's tournaments were the same, consisting of the following: Each nation was entitled to enter 16 athletes per team, for a total of 256 athletes across both competitions.