Arthur John Bigge, 1st Baron Stamfordham GCB GCVO GCIE KCMG KCSI ISO PC (18 June 1849–31 March 1931) was Private Secretary to Queen Victoria during the last few years of her reign and also to King George V during most of his reign. He was also the maternal grandfather of Lord Adeane, Private Secretary to Queen Elizabeth II from 1953 to 1972.
He was the son of John Frederic Bigge (1814-1885) Vicar of Stamfordham, Northumberland and the grandson of Charles William Bigge (1773-1849) of Benton House, Little Benton, Newcastle on Tyne and Linden Hall, Longhorsley, Northumberland, High Sheriff of Northumberland and a prominent merchant and banker in Newcastle on Tyne.
He was educated at Rossall School and then the Royal Military Academy and commissioned in the Royal Artillery. He served in the Zulu War and retired in 1898 with the rank of Lieutenant Colonel.
His only son, John Neville Bigge, was killed in action in 1915 and the Barony was extinct on his death in 1931. A daughter, Victoria, married Captain Adheane