Caroline of Nassau may refer to:
Princess Caroline of Nassau-Usingen (1762–1823) Princess Caroline of Nassau-Weilburg (1770–1828) Countess Caroline of Nassau-Saarbrücken (1704–1774) Countess Caroline Felizitas of Leiningen-Dagsburg (1734–1810), of the House of Nassau by marriage
See also Carolina of Nassau-Weilburg