Countess of Winchilsea is a title given to the wife of the Earl of Winchilsea. Women who have held the title include:
Elizabeth Finch, 1st Countess of Winchilsea (1556–1634) Anne Finch, Countess of Winchilsea (1661–1720) Essex Finch, Countess of Nottingham (–1684) Frances Finch, Countess of Winchilsea and Nottingham (–1734) Georgiana Finch-Hatton, Countess of Winchilsea (1791–1835) Emily Georgiana Finch-Hatton, Countess of Winchilsea (1809–1848) Fanny-Margaretta Finch-Hatton, Countess of Winchilsea (1820–1909) Constance Finch-Hatton, Countess of Winchilsea (1823–1878) Margaretta Finch-Hatton, Countess of Winchilsea (1885–1952)