Lionel Edward Sackville-West (1867 – 1928) was the third Baron Sackville, a British aristocratic title he inherited on the death of his uncle, the diplomat Lionel Sackville-West, 2nd Baron Sackville. He married his first cousin Victoria Sackville-West (1862 – 1936) in 1890, and they had one child, the poet Vita Sackville-West.
