Charles Sackville, 3rd Earl De La Warr (1739-1795) was a British nobleman and politician. He inherited the title of Earl De La Warr from his father in 1766 and served as a Member of Parliament for East Grinstead from 1761 to 1768. He was known for his involvement in various political matters during his time. In addition to his political career, the 3rd Earl De La Warr was also a prominent figure in the arts and culture of the 18th century. He was a patron of the painter Joshua Reynolds and was associated with the Royal Academy of Arts. His contributions to society extended beyond politics, reflecting the interests of the British aristocracy of his era.