Henry Barnett, MP, JP, DL (14 February 1815 – 5 May 1896)[1] was an English banker, landowner, Conservative Party politician, and magistrate.
Henry Barnett's education was at Eton and Christ Church, Oxford, and in his youth he was a first-class cricketer.
He married Emily Ann Stratton on 18 September 1838; they had ten children, including the Reverend Herbert Walter Barnett who was Vicar of Bracknell 1886–1919.
He was an officer in the part-time Queen's Own Oxfordshire Hussars, being promoted to its command as Lieutenant-Colonel on 8 May 1866, and serving as its Honorary Colonel from 10 July 1878.
He purchased his mansion at 100, Hamilton Terrace, St John's Wood, in 1890.