William Onslow, 4th Earl of Onslow

The Right Honourable The Earl of Onslow GCMG PC DL
11th Governor of New Zealand
In office 2 May 1889 – 24 February 1892
Monarch	Victoria
Premier	Harry Atkinson John Ballance
Preceded by	Sir William Jervois
Succeeded by	The Earl of Glasgow
President of the Board of Agriculture
In office 19 May 1903 – 12 March 1905
Monarch	Edward VII
Prime Minister	Arthur Balfour
Preceded by	Robert William Hanbury
Succeeded by	Ailwyn Fellowes
Personal details
Born	7 March 1853 (1853-03-07) Old Alresford, Hampshire
Died	23 October 1911 (1911-10-24) (aged 58) Hendon, Middlesex
Nationality	British
Political party	Conservative
Spouse	Florence Gardner (d. 1934)
Children	Dorothy Wood, Countess of Halifax Richard Onslow, 5th Earl of Onslow Gwendolen Guinness, Countess of Iveagh Victor Onslow
Alma mater	Exeter College, Oxford

William Hillier Onslow, 4th Earl of Onslow, GCMG, PC, DL (7 March 1853 – 23 October 1911), was a British Conservative politician. He held several governmental positions between 1880 and 1905 and was also Governor of New Zealand between 1889 and 1892.