A total of 125 weightlifters (69 male and 56 women) will qualify to compete at the games.
Qualification was done at the 2013 and 2014 Pan American Championships, where nations had points assigned per athlete's finishing position.
[1] The following is the list of nations winning quotas for men's events:[2] Aruba and Barbados was later awarded a wildcard spot.
Aruba declined this quota, and the spot was reallocated to Bolivia.
The following is the list of nations winning quotas for women's events:[3] Haiti was later awarded a wildcard spot.