William Henry Brackney (January 30, 1948 – November 13, 2022) was the Millard R. Cherry Distinguished Professor of Christian Thought and Ethics Emeritus at Acadia University[1] in Wolfville, Nova Scotia.

He was previously the Dean of Theology at McMaster University in Hamilton, Ontario,[1] and published numerous books and articles dealing with post-Reformation Protestant thought, particularly the Baptist and Radical Reformation traditions.

He received a second MA from Temple University in Philadelphia, after which he earned the Doctor of Philosophy (with distinction),[5] his dissertation topic being Religious Antimasonry: The Genesis of a Political Party in 1976.

Brackney was an assistant professor in the History department of Houghton College for three years following his graduate studies, during which time he also served as the pastor of two United Methodist congregations in upstate New York (Limestone and Machias Charges).

In this period he was also an associate professor in church history at Colgate Rochester Divinity School, as well serving on the senior staff of the American Baptist Board of Educational Ministries (BEM) in Valley Forge, Pennsylvania.

Brackney also served as an adjunct professor at Baylor's George W. Truett Theological Seminary and for two years was the pastor of Blue Ridge Baptist Church in Marlin, Texas.

Mercer University Press published in 2019 Crossing Baptist Boundaries: A Festschrift in Honour of William Henry Brackney (edited by Erich Geldbach).