Roger Marston (Rogerus de Marston) (died c. 1303) was an English Franciscan scholastic philosopher and theologian.
He studied under John Pecham in Paris, in the years around 1270, and probably also at Oxford a few years later, during the time he was a pupil of John Pecham he was a fellow student with Matthew of Aquasparta. He generally followed Pecham's views on the Eucharist,. He regarded time as absolute.
- Leen Spruit (1994), Species Intelligibilis: From Perception to Knowledge, pp. 235–7
- Jorge J. E. Gracia, Timothy B. Noone, A Companion to Philosophy in the Middle Ages (2003), pp. 626–9
- David Burr, Eucharistic Presence and Conversion in Late Thirteenth-Century Franciscan Thought (1984), pp. 57-8.
- Pasquale Porro, The Medieval Concept of Time: Studies on the Scholastic Debate and Its (2001), p. 201.
- Friaries - The house of Grey Friars | British History Online