Cynthia Spencer
Countess Spencer
Cynthia, Countess Spencer
Born 16 August 1897(1897-08-16)
Died 4 December 1972 (aged 75)
Althorp, Northamptonshire, England
Spouse Albert Spencer, 7th Earl Spencer
Lady Anne Wake-Walker
Edward Spencer, 8th Earl Spencer
Full name Lady Cynthia Elinor Beatrix Hamilton
Father James Hamilton, 3rd Duke of Abercorn
Mother Lady Rosalind Bingham

Cynthia Ellinor Beatrix Spencer, Countess Spencer (née Hamilton; 16 August 1897 – 4 December 1972) was a British peeress and the paternal grandmother of Diana, Princess of Wales.