Weightlifting was one of the sports contested at the 1971 Pan American Games in Cali, Colombia. In this edition, four sets of medals were awarded for each weight.
Men's competition
Press
Flyweight (– 52 kg)
Bantamweight (– 56 kg)
Featherweight (– 60 kg)
Lightweight (– 67.5 kg)
Middleweight (– 75 kg)
Light-heavyweight (– 82.5 kg)
Middle-heavyweight (– 90 kg)
Heavyweight (– 110 kg)
Super heavyweight (+ 110 kg)
Snatch
Flyweight (– 52 kg)
Bantamweight (– 56 kg)
Featherweight (– 60 kg)
Lightweight (– 67.5 kg)
Middleweight (– 75 kg)
Light-heavyweight (– 82.5 kg)
Middle-heavyweight (– 90 kg)
Heavyweight (– 110 kg)
Super heavyweight (+ 110 kg)
Clean and Jerk
Flyweight (– 52 kg)
Bantamweight (– 56 kg)
Featherweight (– 60 kg)
Lightweight (– 67.5 kg)
Middleweight (– 75 kg)
Light-heavyweight (– 82.5 kg)
Middle-heavyweight (– 90 kg)
Heavyweight (– 110 kg)
Super heavyweight (+ 110 kg)
Total
Flyweight (– 52 kg)
Bantamweight (– 56 kg)
Featherweight (– 60 kg)
Lightweight (– 67.5 kg)
Middleweight (– 75 kg)
Light-heavyweight (– 82.5 kg)
Middle-heavyweight (– 90 kg)
Heavyweight (– 110 kg)
Super heavyweight (+ 110 kg)