Louis de Polignac
- Category : 1909-births
- Type : MGE
- Profile : 5/1 - Heretical / Investigator
- Definition : Split - Small (19,32,38,58)
- Incarnation Cross : LAX Defiance 2
French aristocrat, the son of Prince Hubert and business executive. He was the administrator of Jeanne-Lanvin Couture from 1941, Administrator, 1947-1964, and vice-president, 1964-1980, of the champagne Pommery & Greno. He served as the vice-president, 1968-1970 and President of the board of directors, 1970-1982, and then Honorary President of La Société des bains de mer et du cercle des étrangers de Monaco.
Prince Louis married on 30 June 1939 and divorced on 2 December 1942; three children. He died in Monaco on 11 April 1996.