Charles Lennox, 3rd Duke of Richmond (1735-1806), was a British nobleman and politician. He was born into the House of Lennox and became a prominent figure in the Whig Party. The Duke served in various political roles, including as a Member of Parliament and as Lord Lieutenant of Ireland. He was known for his support of the American colonies during the American Revolutionary War. Richmond was also an influential landowner and patron of the arts. He was involved in the development of Richmond Park and contributed to the improvement of the Royal Pavilion in Brighton. His legacy includes a commitment to public service and cultural enrichment in Britain.