Pitt-Rivers is an English surname adopted by later holders of the peerage Baron Rivers.
Holders of the surname include: The surname was adopted by the ethnologist and archaeologist Augustus Henry Lane-Fox (1827–1900) when he inherited from Horace in 1880.
(He was Horace's second-cousin, via a different daughter of George Pitt, 2nd Baron).
Augustus Pitt Rivers founded the Pitt Rivers Museum at the University of Oxford.
His descendants include: