Charles Lennox, 6th Duke of Richmond (1764-1819), was a British nobleman and politician. He was born into the House of Lennox and became the Duke in 1819 after the death of his father. Richmond served as a Member of Parliament and held various political positions, including Lord Lieutenant of Sussex. Richmond was also known for his interest in agriculture and land management. He was a prominent figure in the development of the Brighton area and contributed to the improvement of local infrastructure. His legacy includes advancements in farming techniques and the promotion of agricultural education.