Elizabeth Compton, Countess of Northampton (19 August 1694 – 13 March 1741), suo jure 15th Baroness Ferrers of Chartley, was a British peer. Elizabeth was the daughter of the Hon. Robert Shirley, eldest son of Robert Shirley, 1st Earl Ferrers. After the deaths of her father (in 1698) and her brother (in 1714), Elizabeth became her grandfather's heiress apparent. She married James Compton, Lord Compton in 1716; on her grandfather's death in 1717, she succeeded him as Baroness Ferrers of Chartley and became Countess of Northampton when her husband inherited the earldom in 1727.