Earl Francis McEssy (February 12, 1913 – October 14, 1989) was a member of the Wisconsin State Assembly.
McEssy was born in Fond du Lac, Wisconsin. He graduated from Marquette University. Additionally, he received an honorary doctorate from Marian College. During World War II, he served with the United States Navy.
McEssy was a member of the Assembly from 1957 to 1988. He was a Republican.