William Edwardes, 4th Baron Kensington PC (11 May 1835 – 7 October 1896), also 1st Baron Kensington in the Peerage of the United Kingdom, styled The Honourable William Edwardes between 1852 and 1872, was a British landowner and Liberal politician.

Edwardes was the eldest son of Captain William Edwardes, 3rd Baron Kensington, by his wife Laura Jane Ellison, daughter of Cuthbert Ellison, of Hebburn Hall, Hebburn, County Durham.

When the Liberals came to power in 1880 under William Ewart Gladstone, Kensington was admitted to the Privy Council[3] and appointed Comptroller of the Household (government whip in the House of Commons),[4] a post he held until the government fell in 1885.

[9] The Liberals were out of office for the next six years, but returned to power in 1892, when Gladstone appointed him Captain of the Yeomen of the Guard.

[1] Lord Kensington died suddenly on 7 October 1896 while taking part in a shooting expedition at Floors Castle, Roxburghshire, Scotland.