Adélaïde de Saint-Germain (1769 – 1850), was a French courtier.
Daughter of Joseph Starot de Saint-Germain and Catherine Éléonore Bénard; her biological father was Louis XV.
She married Jean Pierre Bachasson de Montalivet in 1797.
She served as lady-in-waiting (Dame du Palais) to Empress Joséphine de Beauharnais in 1804–1809, and to Empress Marie Louise in 1810–1814.