The 1979 Macdonald Lassies Championship, the Canadian women's curling championship was held February 25-March 2, 1979, at the in Mount Royal, Quebec. The 1979 event was the last women's championship to be sponsored by Macdonald Tobacco and it was also the first event to feature a playoff. The winning Lindsay Sparkes rink from British Columbia would go on to represent Canada at the first ever Women's World Curling Championship, the 1979 Royal Bank of Scotland World Women's Curling Championship.