Diana Spencer (disambiguation)
Diana Spencer (1961–1997) was the first wife of Prince Charles (later Charles III) and mother of Prince William & Prince Harry.
Diana Spencer may also refer to:
- Diana Spencer Churchill (11 July 1909 – 20 October 1963) was the eldest daughter of British statesman Winston Churchill and Clementine Churchi.
- Diana Russell, Duchess of Bedford (née Lady Diana Spencer; 1710–1735), wife of John Russell, 4th Duke of Bedford
- Lady Diana Beauclerk (née Lady Diana Spencer; 1734–1808), English artist
- Diana Spencer (diver) (born 1934), British diver
- Diana Spencer (classicist) (born 1969), Irish Classics professor