Charles Arthur de Noailles, 3rd Duke of Mouchy (Charles Arthur Tristan Languedoc; 14 February 1771-1834) was a French aristocrat and politician.

Charles Arthur Tristan Languedoc de Noailles was born on 14 February 1771 in Paris.

[1] Shortly after graduating, he assisted his uncle in the Alsace.

[1] Due to the French Revolution, when many aristocrats were beheaded, he left France in 1791 and served in the Army of Condé.

[1] He was also appointed Knight of the Order of the Golden Fleece in 1820 and Officer of the Legion of Honour in 1823.