1966年南美自由盃是第 7 届南美自由盃，为南美洲最顶级的足球球会赛事，由南美洲足球协会主办。
第一圈.Sixteen teams were drawn into two groups of six and one group of four. In each group, teams played against each other home-and-away. The top two teams in each group advanced to the Semifinal