Weightlifting was contested from December 12 to December 18 at the 1966 Asian Games in Cultural Hall, Bangkok, Thailand. The competition included only men's events for eight different weight categories. Iran finished 1st at the medal table by winning three gold medals.
| 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 (+90 kg) |