Jean Louis d'Usson, Marquis de Bonnac (1672-1738) was French Ambassador to the Ottoman Empire from 1716 until 1724.
He wrote Mémoire historique sur l'Ambassade de France à Constantinople.
In 1696 he entered the diplomatic service and served as secretary to his uncle fr:François d'Usson de Bonrepaus in Denmark.
In 1700 he was envoy extraordinary to the Principality of Brunswick-Wolfenbüttel, were in 1701 he was replaced by uncle François d'Usson de Bonrepaus and went to the Court of Stockholm.
In May 1711 he replaced Jean-Denis de Blécourt at El Escorial where he was till 1713 as envoy extraordinary.