Gershom Mott Williams (February 11, 1857 – April 14, 1923) was an American bishop. He was the first Episcopalian bishop of Marquette. He was a church journalist, author, and translator. Williams graduated from Cornell University and received his master's degree and Doctor of Divinity degree from Hobart College. Although he passed the bar in 1879, Williams began an extensive career in the Episcopal Church, having positions in Buffalo, Milwaukee, and Detroit before becoming a bishop. He was involved in many church commissions, including the preparation of and attendance at the Lambeth Conference of 1908.