Louise Charlotte Françoise de Montesquiou, née de Le Tellier de Louvois-Courtanvaux de Montmirail de Creuzy (1765–1835) was a French courtier. She was the royal governess of Napoleon II from 1811 until 1814.
She was the daughter of Charles François César Le Tellier de Louvois-Courtanvaux de Montmirail de Creuzy, Marquis de Montmirail (1734–1765) and married to Anne Elisabeth Pierre de Montesquiou-Fezensac, in 1780. Her spouse was first equerry to the Count of Provence before the French Revolution, and was appointed First Chamberlain to Emperor Napoleon I of France in 1809.
She was appointed governess to the infant son of Napoleon and Marie Louise, the King of Rome, who would call her “Maman Quiou.”