Weightlifting at the 1978 Commonwealth Games was the eighth appearance of Weightlifting at the Commonwealth Games. The events were held in Edmonton, Canada, from 3 to 12 August 1978 and featured contests in ten weight classes (an increase of one from 1974).
The events took place at the Northern Alberta Jubilee Auditorium.
Australia topped the weightlifting medal table by virtue of winning more silver medals than Canada.