Jane Spencer, Baroness Churchill, VA (1 June 1826–24 December 1900), born Lady Jane Conyngham, daughter of the Earl of Mount Charles (later 2nd Marquess Conyngham), married, on 19 May 1849, the Francis Spencer, 2nd Baron Churchill, at Bifrons House, Kent.
From 1854 to her death, Lady Churchill was a Lady of the Bedchamber to Queen Victoria. She died on Christmas Eve 1900 (a month before Queen Victoria), aged 74 at Osborne House on the Isle of Wight and was buried on 29 December 1900 at Finstock, Oxfordshire.