Henry de Lisle, 1st Baron Lisle, was an English nobleman born around 1365. He was a prominent figure during the late 14th century and served as a soldier and administrator. He was granted the title of Baron Lisle in 1440, which marked his elevation in the peerage. His family had significant land holdings, particularly in Leicestershire. De Lisle was involved in various military campaigns, including those during the Hundred Years' War against France. He also held important positions, such as the Governor of Calais, which was a strategic English stronghold. His contributions to English nobility and military efforts were notable during his lifetime.