Heather Elizabeth Cook is a former bishop of the Episcopal Church in the United States. She was a suffragan bishop in the Diocese of Maryland until her resignation from the position in 2015.In 2014, the diocese elected Cook as its first female bishop and she was consecrated as suffragan to Bishop Eugene Sutton. Cook was one of four finalists for the office of suffragan bishop and was elected on the fourth ballot. She was the 1,081st bishop consecrated in the Episcopal Church.