Reginald of Orleans was an Italian Dominican friar and priest who lived from approximately 1180 to 1220. A former professor of canon law in Paris, he eventually joined the Dominican Order after a serious illness in Rome, where he met Saint Dominic. He became a prominent preacher, influencing many scholars and students at the University of Bologna and the Sorbonne. Known for his fiery eloquence, he served as a prior and was a close associate of the early members of his religious order.