William Stevens Perry (January 22, 1832 – May 13, 1898) was a 19th-century bishop of the Protestant Episcopal Church in the United States of America and an educator.

He was ordained a deacon at Grace Church in Newton, Massachusetts, and a priest (1858) at St. Paul's, Boston, where he spent the first year of his ministry.

[1] He taught history at Hobart College for several years and served the institution as president from April to September, 1876, when he was consecrated Bishop of Iowa.

Bishop Perry reformed the vestries in the diocese, and reduced the number parishes by removing the ones that did not function on a regular basis, if at all.

[2] In the 1884 Diocesan Convention, Bishop Perry proposed goals that embraced the Social Gospel Movement that was popular at the time.

He was also a member of the Masonic Brotherhood Bishop Perry was in poor health during the latter part of his life and took several trips to Europe to recuperate.