Ernest Milmore Stires (May 20, 1866 - February 12, 1951) was the third Bishop of Long Island in the Episcopal Church from 1925 to 1942.

[2] Stires later served as Phi Kappa Psi's seventh national President.

He was ordained deacon on June 26, 1891 by the Bishop of Virginia Francis McNeece Whittle, and then served as rector of St John's Church in West Point, Virginia.

He was ordained priest on June 24, 1892 by the Bishop of Southern Virginia Alfred Magill Randolph, and briefly served in the Church of the Good Shepherd in Augusta, Georgia before moving to Chicago to serve as curate and then rector of Grace Church in 1893.

He served as deputy to the General Convention from 1910 to 1925 and was a member of National Council.