Daniel Harvey Hill (July 12, 1821 - September 24, 1889) was an influential historian and educator. Known for his profound understanding of history and his contributions to educational reform, Hill is celebrated for his role in shaping higher education in the United States during and after the Civil War. As a historian, he made groundbreaking contributions to the study of American history; as an educator, he was a pioneer in reforming higher education, pushing for modernization in academic research and teaching methods.