Johannes Hoornbeek[1] (4 November 1617, Haarlem - 23 August 1666, Leiden), was a Dutch Reformed theologian. He was a follower of Gisbertus Voetius, writing with him on spiritual desertion. He was a professor of theology at the University of Leiden and University of Utrecht.
Hoornbeck was a writer of polemical works. His many works include
He attacked the Socinians, Mennonites, the Remonstrants and Cartesians. A collection of his polemical writing was the Summa Controversiarum Religionis; Cum Infidelibus, Hæreticis, Schismaticis: Id Est, Gentilibus, Judæis, Muhammedanis; Papistis, Anabaptistis, Enthusiastis et Libertinis, Socinianis; Remonstrantibus, Lutheranis, Brouvnistis, Græcis of 1653.
He was painted by Frans Hals.[2]