See main article: Weightlifting at the 2015 Pan American Games.
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. The totals of both Championships were added and quotas were then awarded to the top 20 men's teams and 18 women's teams. A further two wildcards (one for each gender) was awarded.[1]
| width=300 | Event ! | width=200 | Date ! | width=230 | Venue |
|---|---|---|---|---|---|
| June 22–30, 2013 |  Isla Margarita, Venezuela | ||||
| 2014 Pan American Weightlifting Championships | May 26 – June 2, 2014 |
| NOC | width=80 | Men ! | width=80 | Women ! | width=100 | Total athletes |
|---|---|---|---|---|---|---|
| 1 | 1 | 2 | ||||
| 1 | 1 | |||||
| 1 | 1 | |||||
| 1 | 1 | |||||
| 4 | 4 | 8 | ||||
| 7 | 6 | 13 | ||||
| 2 | 3 | 5 | ||||
| 7 | 6 | 13 | ||||
| 1 | 1 | 2 | ||||
| 7 | 1 | 8 | ||||
| 5 | 6 | 11 | ||||
| 5 | 4 | 9 | ||||
| 1 | 1 | 2 | ||||
| 2 | 2 | 4 | ||||
| 1 | 1 | 2 | ||||
| 1 | 1 | |||||
| 5 | 5 | 10 | ||||
| 1 | 1 | 2 | ||||
| 1 | 1 | 2 | ||||
| 2 | 2 | 4 | ||||
| 2 | 2 | 4 | ||||
| 4 | 3 | 7 | ||||
| 1 | 1 | |||||
| 7 | 6 | 13 | ||||
| Total: 24 NOCs | 69 | 56 | 125 |
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.
| Rank | Quota | NOC | Year | Total | ||
|---|---|---|---|---|---|---|
| width=35 | 2013 | width=35 | 2014 | |||
| – | 7 | Host nation | ||||
| 1 | 7 | 198/8 | 204/8 | 402 | ||
| 2 | 7 | 170/7 | 200/8 | 370 | ||
| 3 | 7 | 173/8 | 165/8 | 338 | ||
| 4 | 5 | 182/8 | 133/8 | 315 | ||
| 5 | 5 | 155/8 | 152/8 | 307 | ||
| 6 | 5 | 142/8 | 156/8 | 298 | ||
| 7 | 4 | 126/8 | 159/8 | 285 | ||
| 8 | 4 | 141/8 | 133/8 | 274 | ||
| 9 | 2 | 132/8 | 124/8 | 256 | ||
| 10 | 2 | 109/8 | 129/8 | 238 | ||
| 11 | 2 | 100/8 | 110/8 | 210 | ||
| 12 | 2 | 61/6 | 102/7 | 163 | ||
| 13 | 1 | 119/8 | 44/3 | 143 | ||
| 14 | 1 | 74/5 | 65/5 | 139 | ||
| 15 | 1 | 51/4 | 77/7 | 128 | ||
| 16 | 1 | 72/6 | 41/3 | 113 | ||
| 17 | 1 | 53/3 | 41/2 | 94 | ||
| 18 | 1 | 46/4 | 48/6 | 94 | ||
| 19 | 1 | 13/1 | 72/8 | 85 | ||
| 20 | 1 | 29/2 | 39/3 | 68 | ||
| 21 | – | 10/1 | 17/1 | 27 | ||
| 22 | 1 | 0/1 | 18/1 | 18 | ||
| – | 1 | 0/0 | 0/0 | 0 | ||
The following is the list of nations winning quotas for women's events:[3] Haiti was later awarded a wildcard spot.
| Rank | Quota | NOC | Year | Total | ||
|---|---|---|---|---|---|---|
| width=35 | 2013 | width=35 | 2014 | |||
| – | 6 | Host nation | ||||
| 1 | 6 | 172/7 | 174/7 | 346 | ||
| 2 | 6 | 170/7 | 201/7 | 315 | ||
| 3 | 6 | 135/7 | 166/7 | 301 | ||
| 4 | 4 | 157/7 | 144/7 | 301 | ||
| 5 | 4 | 173/7 | 142/6 | 290 | ||
| 6 | 4 | 144/7 | 138/7 | 282 | ||
| 7 | 3 | 124/7 | 150/7 | 274 | ||
| 8 | 3 | 113/7 | 120/7 | 233 | ||
| 9 | 2 | 102/7 | 98/7 | 200 | ||
| 10 | 2 | 88/6 | 106/7 | 194 | ||
| 11 | 2 | 69/6 | 113/7 | 182 | ||
| 12 | 1 | 109/7 | 59/4 | 168 | ||
| 13 | 1 | 70/5 | 97/7 | 167 | ||
| 14 | 1 | 68/5 | 58/3 | 126 | ||
| 15 | 1 | 102/7 | 20/1 | 122 | ||
| 16 | 1 | 15/1 | 84/7 | 99 | ||
| 17 | 1 | 13/1 | 16/1 | 29 | ||
| 18 | 1 | 0/1 | 17/1 | 17 | ||
| 19 | 1 | – | 15/1 | 15 | ||
| 20 | – | 12/1 | 12 | |||
| 20 | – | 13/1 | 13 | |||
| 21 | 11/1 | 0/1 | 11 | |||