Charlotte of Mecklenburg-Strelitz (19 May 1744 – 17 November 1818) was the Queen consort of the United Kingdom as the wife of King George III. She was also the electress consort of Hanover in the Holy Roman Empire until the promotion of her husband to King of Hanover on 12 October 1814, which made her Queen consort of Hanover.

Queen Charlotte was a patroness of the arts, known to Johann Christian Bach and Wolfgang Amadeus Mozart, among others. She was also an amateur botanist who helped expand Kew Gardens. George III and Charlotte had 15 children, 13 of whom survived to adulthood.