Baron Lisle was a title in the English peerage, associated with the Lisle family. The title was created in the 15th century and has historical significance, particularly during the Wars of the Roses. The Barons Lisle were known for their involvement in the political and military affairs of the time. The most notable Baron Lisle was Richard Lisle, who served as a soldier and diplomat. He played a role in the court of King Henry VI and was involved in various military campaigns. The title has since become extinct, but it remains a point of interest in English history.