Sir Henry Seymour King, 1st Baronet KCIE (4 January 1852 – 14 November 1933) was a British banker, mountaineer and Conservative politician.

He was educated at Charterhouse School and Balliol College, Oxford, where he won an oratory gold medal.

He was the first to reach the summits of Mont Maudit with William Edward Davidson and guides Johann Jaun d. J. and Johann von Bergen on 12 September 1878, and Aiguille Blanche de Peuterey (Pointe Güssfeldt) with guides Emile Rey, Ambros Supersaxo and Aloys Anthamatten on 31 July 1885.

[5] The SE summit of the Aiguille Blanche de Peuterey (4,107 metres (13,474 ft)) is named Point Seymour King in his honour.

After the First World War, he arranged an amalgamation with Messrs Cox & Co, a rival bank and Indian agency.

John Jenkins, D.D., of Montreal, and his wife, Harriette, daughter of the late George Shepstone, Esquire, of Clifton, England.

During this period, she was president of the Queen's Jubilee Nurses' Endowment Fund, which raised the largest sum contributed by any borough in London, except the city, for that purpose.