Charles Ellsworth Bennison Sr. (July 23, 1917 – January 5, 2004) was the fifth bishop of the Episcopal Diocese of Western Michigan.
He was the father of Charles E. Bennison Jr., former bishop of the Episcopal Diocese of Pennsylvania.
He was ordained deacon in March 1942 by Bishop Frank McElwain, and priest in October 1942 by Bishop Stephen Keeler in the Diocese of Minnesota, having attended Seabury-Western Theological Seminary; after serving in several parishes in the diocese and in the Episcopal Diocese of Eau Claire, he was called as rector of Christ Church, Joliet, Illinois, where he was serving when elected as bishop of Western Michigan.
He retired on December 1, 1984, and served as assisting bishop in the dioceses of Los Angeles and California.
Towards the end of his life he and his wife lived in Menlo Park, California, where he died January 5, 2004, of Alzheimer's disease.