William Slaney Kenyon-Slaney PC (24 August 1847 – 24 April 1908) was an English sportsman, soldier and politician.

Kenyon-Slaney was born in Rajkot in Gujarat in British India, the son of Captain William Kenyon of the 2nd Bombay Cavalry and Frances Catherine Slaney, daughter of Robert A. Slaney of Hatton Grange near Shifnal, Shropshire.

Kenyon-Slaney was educated at Eton College and briefly at Christ Church, Oxford, where he matriculated in 1865.

In 1882 under the command of Sir Garnet Wolseley he took part in the Battle of Tel el-Kebir during the Urabi Revolt and was decorated for his efforts.

After unsuccessfully contesting the Wellington division of Shropshire in the 1885 general election,[8] Kenyon-Slaney was in 1886 elected to Parliament to represent the Newport division of Shropshire for the Conservative Party which he represented until his death (after an attack of gout) in 1908.