Benjamin Pulleyn (//; died 1690) was the Cambridge tutor of Isaac Newton. Pulleyn served as Regius Professor of Greek from 1674 to 1686. He was known as a "pupil monger", meaning one who increased his income by accepting additional students.
Pulleyn was admitted as a sizar to Trinity College, Cambridge in 1650, became a scholar there in 1651 and graduated BA in 1653–4, MA in 1657. He became a Fellow of Trinity in 1656. Appointed Regius Professor of Greek in 1674, he became Rector of Southoe on his retirement from the chair in 1686.
- Gjersten, Derek (1986). The Newton Handbook. London: Routledge & Kegan Paul. p. 518.
- Christianson, Gale (1984). In the Presence of the Creator: Isaac Newton & His Times. New York: Free Press. ISBN 0-02-905190-8. — see pages 50–51.
- "Pulleyn, Benjamin (PLN650B)". A Cambridge Alumni Database. University of Cambridge.