François Marie Peyrenc de Moras (11 August 1718 – 3 May 1771) was a senior French politician.
In a family from the Cévennes, he was the son of Abraham Peyrenc de Moras (1686–1732), son of barber enriched in the system of Law, who built the Hôtel Biron (which since 1919 has housed the Musée Rodin), rue de Varenne in Paris and his wife, Anne-Marie-Josephe de Farges (1699–1738). He married Catherine Moreau Sechelles. Like his father, he is lord of Ambert, in Arlanc of Boutonnargues, Riols and Saint-Amand Roche Savine.
With a solid wealth and relationships in the world of finance, of Francois Marie Peyrenc Moras is steward of Riom in 1750 to 1752, the intendant of Hainaut Valenciennes from 1752 to 1754.
He was appointed Controller General of Finance on 24 April 1756 in place of his stepfather, John Moreau Sechelles.
In the early days of the Seven Years' War, 1 February 1757, to the disgrace of Jean-Baptiste de Machault d'Arnouville, he became Secretary of State for the Navy while retaining overall control of finances until 25 August 1757. Not wishing to juggle two key departments, he stepped down in favor of John Boullongne, as superintendent of finance. He was appointed Minister of State February 8, 1757. He maintained the Navy until 31 May 1758.
Jean Moreau de Séchelles
| Controllers-General of Finances
24 April 1756 – 25 August 1757
Jean de Boullonges
Jean Baptiste de Machault D'Arnouville
| Secretaries of State for the Navy
1 February 1757 – 31 May 1758
Claude Louis d'Espinchal, marquis de Massiac