Sarah Spencer (disambiguation)

Sarah Spencer is an American musician.

Sarah Spencer may also refer to:
 * Lady Sarah Spencer (1787–1870), wife of William Lyttelton, 3rd Baron Lyttelton; known as Sarah Lyttelton, Baroness Lyttelton
 * Sarah Spencer-Churchill (1865–1929), daughter of John Spencer-Churchill, 7th Duke of Marlborough; known as Sarah Wilson (war correspondent)
 * Sarah Spencer (born 1955), sister of Diana, Princess of Wales; known as Lady Sarah McCorquodale