Maximilien Radix de Sainte-Foix, born Charles-Pierre-Maximilien Radix de Sainte-Foix (13 June 1736, in Paris – 23 June 1810, in Bourbonne-les-Bains), was a noted French financier and politician. He held the position of Superintendent of Finance for the Comte d'Artois. Later, he headed the secret council of advisers for Louis XVI, while the latter was being detained at the Tuileries Palace. He played a big role in the counter-revolutionary circles of the time.