Louise Chevalier (c. 1770s - died after 1801), was a French actress and opera singer.
She was active in Russia in the French theater troupe of her spouse, the ballet dancer and playwright Chevalier [ru] (Pierre Peicam), from 1797 until 1801.
She was an important figure during the reign of Paul I, when she wielded great influence as a channel for supplicants to Kutaisov and the emperor, and reportedly accepted substantial sums as such, and attracted great animosity in St Petersburg.
After the fall of Paul I in March 1801, she was asked to leave Russia by tsar Alexander.
It is not confirmed what happened to her after this, though conflicting reports place her as a courtesan and a spy in Paris, in Germany and in Poland.