Piers Egerton-Warburton (22 May 1839 – 24 March 1914) was an English Conservative politician who sat in the House of Commons from 1876 to 1885. Egerton-Warburton was the eldest son of Rowland Eyles Egerton and his wife, Mary Brooke, daughter of Sir Richard Brooke, 6th Baronet. His father assumed the additional surname Warburton on inheriting estates of his grand uncle Sir Peter Warburton. Egerton-Warburton was educated at Eton College followed by Christ Church, Oxford (BA, 1861). He was a captain in the Earl of Chester's Yeomanry Cavalry and a Magistrate for Cheshire. In 1876 Egerton-Warburton was elected Member of Parliament for Mid Cheshire. He held the seat until 1885.

Personal life

Egerton-Warburton married Hon. Antoinette Elizabeth Saumarez, daughter of John St Vincent Saumarez, 3rd Baron de Saumarez in 1880. They had two sons and four daughters: Egerton-Warburton lived at Arley Hall near Northwich, where he died at the age of 74.