William Mansfield, 1st Viscount Sandhurst

The Right Honourable The Viscount Sandhurst GCSI GCIE GCVO PC
Lord Chamberlain of the Household
In office 14 February 1912 – 2 November 1921
Monarch	George V
Prime Minister	H. H. Asquith David Lloyd George
Preceded by	The Earl Spencer
Succeeded by	The Duke of Atholl
Governor of Bombay
In office 1895–1900
Monarch	Queen Victoria
Preceded by	The Lord Harris
Succeeded by	The Lord Northcote
Personal details
Born	(1855-08-21)21 August 1855
Died	2 November 1921(1921-11-02) (aged 66)
Nationality	British
Political party	Liberal
Spouse(s)	(1) Lady Victoria Spencer (1855–1906) (2) Eleanor Arnold (d. 1934)

William Mansfield, 1st Viscount Sandhurst GCSI, GCIE, GCVO, PC (21 August 1855 – 2 November 1921) was a British Liberal politician and colonial governor. He was Governor of Bombay between 1895 and 1900 and Lord Chamberlain of the Household between 1912 and 1921.