Piers Brendon (d. 21 Aralık 1940, Stratton, Cornwall), Britanyalı yazardır. Shrewsbury Okulu ve Magdalene Koleji'nde eğitim gördü. Tarihsel ve biyografik eserleri ile tanınır.

• Hurrell Froude and the Oxford Movement (1974)
• Hawker of Morwenstow - Portrait of a Victorian Eccentric (1975)
• A Quest of the Sangraal, Cornish Ballads & Other Poems (1975; Robert Stephen Hawker, editor)
• Eminent Edwardians (1979; ISBN 0-395-29195-X)
• The Life and Death of The Press Barons (1983)
• Winston Churchill: A Brief Life (1984)
• Ike - the Life and Times of Dwight D. Eisenhower (1986)
• Our Own Dear Queen (1986)
• Thomas Cook - 150 Years of Popular Tourism (1991)
• The Age of Reform 1820–1850 (1994)
• The Motoring Century: Story of the Royal Automobile Club (1997)
• The Dark Valley: A Panorama of the 1930s (2000; ISBN 0-375-70808-1)
• The Windsors - A Dynasty Revealed 1917–2000 (2000; with Phillip Whitehead)
• The Decline and Fall of the British Empire (2007; ISBN 978-0-307-26829-7)

• The Papers of Piers Brendon 8 Ocak 2014 tarihinde Wayback Machine sitesinde arşivlendi.