Prince Adolphus, Duke of Cambridge, (Adolphus Frederick; 24 February 1774 – 8 July 1850) was the tenth child and seventh son of the British king George III and Charlotte of Mecklenburg-Strelitz.
He held the title of Duke of Cambridge from 1801 until his death.
He also served as Viceroy of Hanover on behalf of his brothers George IV and William IV.