William Wallace Horstick (January 31, 1902 – May 27, 1973) was an American prelate of the Episcopal Church who served as the second Bishop of Eau Claire from 1944 till 1969.
He graduated with a Bachelor of Divinity from Nashotah House Theological Seminary in 1928, and received two honorary degrees from the same institution: Doctor of Divinity (1944) and Doctor of Canon Law.
[1] In December 1928, Horstick was ordained deacon by Bishop Benjamin F. P. Ivins of Milwaukee, and priest in June 1929 by Bishop Reginald Heber Weller of Fond du Lac.
[2] He was elected second Bishop of the Episcopal Diocese of Eau Claire on April 18, 1944, and consecrated on June 29, 1944, in Christ Church Cathedral, Eau Claire.
[3] He retired on December 31, 1969, and was succeeded by Stanley Hamilton Atkins.