Spencer-Stanhope is the family name of British landed gentry who for 200 years held Cannon Hall, a country house in South Yorkshire that since the 1950s has been a museum. The hyphenated form of the name is more common in British orthography, but American sources often omit the hyphen and alphabetize by "Stanhope."

19th century

Throughout the 19th and early 20th century, several family members (by birth and marriage) were active in the art world. They were related through John Spencer Stanhope (1787–1873), a classical antiquarian, writer, and explorer, and his wife, Lady Elizabeth, daughter of Thomas Coke of Norfolk, 1st Earl of Leicester. John Spencer Stanhope was the son of industrialist Walter Spencer-Stanhope (1749–1822). The couple died in 1873 within a few days of each other; she on 31 October, he on 7 November. They had six children:

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