John Spencer-Churchill

John Spencer-Churchill may refer to:

• John Spencer-Churchill, 7th Duke of Marlborough (1822–1883), British statesman and nobleman
• John Strange Spencer-Churchill (1880–1947), soldier and brother of the former British Prime Minister Winston Churchill
• John Spencer-Churchill, 10th Duke of Marlborough (1897–1972), British peer
• John Spencer-Churchill (artist) (1909–1992), artist and son of John Strange Spencer-Churchill
• John Spencer-Churchill, 11th Duke of Marlborough (born 1926)
• John Kemys Spencer-Churchill (1835–1913), British colonial administrator