The following is the qualification system and list of qualified nations for the Equestrian at the 2023 Pan American Games competition.
A quota of 150 equestrian riders (44 dressage, 46 eventing and 60 show jumping) will be allowed to qualify.
[1] If a country does not qualify a team in equestrian, it may enter a maximum of two individuals per discipline.
A team can be made up of three of four athletes, meaning if reallocation does occur, countries with individuals can qualify teams, respecting the maximum number of teams allowed to compete in each discipline.
[1] A total of ten teams of 4 (or 3) athletes each will qualify, along with 6 individuals will qualify for a total of 46 athletes.