Pitt-Rivers is an English surname adopted by the later Baron Rivers.
Horace Pitt-Rivers, 3rd Baron Rivers (1777–1831); born William Beckford, adopted the name on inheriting the title from his brother-in-law George Pitt, 2nd Baron Rivers
George Pitt-Rivers, 4th Baron Rivers (1810–1866)
Henry Peter Pitt-Rivers, 5th Baron Rivers (1849–1867)
Horace Pitt-Rivers, 6th Baron Rivers (1814–1880)
Augustus Pitt Rivers (1827–1900), ethnologist and archaeologist
George Henry Lane-Fox Pitt-Rivers (1890–1966), anthropologist, grandson of Augustus
Rosalind Pitt-Rivers (1907–1990), physiologist, joint discoverer of the thyroid hormone triiodothyronine, 2nd wife of George Henry
Michael Pitt-Rivers (1917–1999), son of George Henry, gained notoriety when put on trial charged with buggery
Julian A. Pitt-Rivers (1919–2001), anthropologist and ethnographer, son of George Henry
The Pitt Rivers Museum at the University of Oxford, founded by Augustus Pitt Rivers
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