William Alexander Guerry (July 7, 1861 – June 9, 1928) was an American prelate who served as the eighth Bishop of South Carolina.

[1] He was a member of the Sigma Alpha Epsilon Fraternity (Tennessee Omega chapter) and served as the Eminent Grand Archon of the national organization.

Guerry was ordained deacon on September 23, 1888, and priest on December 22, 1889, by Bishop Ellison Capers.

On June 5, 1928, Guerry was shot in his office in St Philip's Church, Charleston, South Carolina, by J. H. Woodward, a retired priest who had attacked his position on advancing racial equality in South Carolina.

Woodward committed suicide after shooting Guerry, who died four days later in Roper Hospital.