Andreas Essenius (February 1618–18 May 1677) was a Dutch Reformed theologian, controversialist and academic.
He was born Andreas van Essen in Zaltbommel where he studied Latin and Greek.
In the academic year 1673-4 Essenius was rector magnificus of the University of Utrecht.
He was one of the Utrecht Circle, a Dutch second Reformation grouping around Anna Maria van Schurman, in the period when she was a close follower of Voetius.
[2] Wilhelmus à Brakel and Philipp van Limborch were amongst the students of Essenius.