Robert Lee Wolff (26 December 1915, New York City – 11 November 1980, Cambridge, Massachusetts) was a Harvard history professor, known for his 1956 book The Balkans in our time and his library collection of English novels of the Victorian period with over 18,000 items. Wolff wrote articles, prefaces, and books on history and English literature and was the co-author of three widely used textbooks in high school and undergraduate history courses. His library of English novels of the Victorian period was acquired in the 1980s by the University of Texas at Austin for $2.6 million.