1991年南美自由盃是第 32 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。
决赛.First leg match played on May 29, 1991 in 亚松森，巴拉圭at Defensores del Chaco stadium. Second leg final match played on June 5, 1991 in 圣地亚哥 at Estadio Monumental David Arellano."Colo-Col