Captain Sir William Charles Wentworth-FitzWilliam GCVO JP DL (31 March 1848 – 17 April 1925) was a British courtier.
He was a deputy lieutenant for the West Riding of Yorkshire and in 1898 he was High Sheriff of Rutland, where he was a justice of the peace.
An expert on horses, in 1901 he was appointed Master of the Stables and Extra Equerry to the Prince of Wales.
[6][7] On the latter's accession as King George V in 1910 he was promoted to Crown Equerry and Secretary to the Master of the Horse,[8] a post he held until his retirement in 1924.
They had one son, Eric Spencer Wentworth-Fitzwilliam, 9th Earl Fitzwilliam (4 December 1883 – 3 April 1952).