The Duke of Dorset is a title in the British peerage, associated with the county of Dorset. The title was created in 1801 for Charles Sackville-Germain, who was a prominent politician and served as a Lord Lieutenant of Ireland. The Duke's family has a long history, with connections to various royal and noble families. The current Duke of Dorset, as of 2023, is Ferdinand Charles Sackville-Germain. The title has traditionally been linked to the Sackville family, who have held significant estates and played important roles in British history. The Duke's residence is typically at Knole House, a historic mansion in Kent.