Henry Melvill Gwatkin (30 July 1844 – 14 November 1916) was an English theologian and church historian.
He was born at Barrow-on-Soar, Leicestershire. He was educated at St. John's College, Cambridge. He became Dixie Professor of Ecclesiastical History of the University of Cambridge in 1891, retiring in 1912. He is buried in the Parish of the Ascension Burial Ground in Cambridge., with his wife Lucy De Lisle Gwatkin.
Studies of Arianism, Chiefly Referring to the Character and Chronology of the Reaction Which Followed the Council of Nicaea (1882; second edition 1900)
The Arian Controversy (1889)
The Meaning of Ecclesiastical History (1891) Inaugural Lecture
Selections from Early Writers, illustrative of Church history to the time of Constantine (1893; revised 1897)
The Church Past and Present: a Review of its History (1900) editor
The Eye for Spiritual Things: and Other Sermons (1906)
The Knowledge of God and its Historical Development (1906) Gifford Lectures, two volumes: Volume 1 and Volume 2
Early Church History to A.D. 313 (1909) two volumes: Volume 1 and Volume 2
The Cambridge Medieval History: Volume I: The Christian Roman Empire and the Foundation of the Teutonic Kingdoms (1911) editor with J. P. Whitney
The Cambridge Medieval History: Volume II: The Rise Of The Saracens And The Foundation Of The Western Empire (1913) editor with J. B. Bury and J. P. Whitney
Episcopacy I. In Scripture (1914) pamphlet
The Confirmation Rubric: Whom does it Bind (1914) pamphlet
Britain's Case Against Germany: A Letter to a Neutral (1917)
Church and State in England to the Death of Queen Anne (1917)
The Sacrifice of Thankfulness (1917) Sermons, edited by L. de L. Gwatkin
Gwatkin also wrote few malacological studies, include:
Gwatkin H. M., Suter H. & Pilsbry H. A. 1895. Observations on the dentition on Achatinellidae. Proceedings of the Academy of Natural Sciences of Philadelphia, volume 47, 237-240.
