Richard Sergeant was an English Roman Catholic priest and writer who lived during the 16th century. After studying at the University of Oxford, he traveled to the English College in Reims to pursue his religious vocation. He was ordained as a priest in Laon in 1583 and returned to England later that year. Due to his religious activities, he was indicted at the Old Bailey under the alias Richard Lea. He was executed at Tyburn in 1586 for his priesthood and for entering the country in violation of contemporary laws.