Mary Adelaide
# Mary Adelaide

Mary Adelaide may refer to:

* Princess Mary Adelaide of Cambridge (1833–1897), later Duchess of Teck, by marriage
* Princess Marie Adélaïde of France (1732–1800), daughter of Louis XV of France
* Marie-Adélaïde, Grand Duchess of Luxembourg (1894–1924), Sovereign of Luxembourg
* Princess Marie-Adélaïde of Savoy (1685–1712), mother of Louis XV of France
