Sir Henry Paulet St John, 2nd Baronet (1737–1784), was a British politician who sat in the House of Commons from 1772 to 1780.
He entered New College, Oxford on 15 October 1755 and was awarded MA on 5 July 1759.
He married Dorothy Maria Tucker, daughter of Abraham Tucker of Betchworth Castle Surrey on 27 October 1763.
[2] With the backing of the Duke of Chandos, St. John was returned unopposed as Member of Parliament for Hampshire at a by-election in February 1772.
[2] St John succeeded his father in the baronetcy and the Dogmersfield Park estate on 9 June 1780 and died on 7 August 1784.