Jean Louis Castagnede
- Category : 1945-births
- Type : MGP
- Profile : 3/5 - Martyr / Heretic
- Definition : Split - Small (9,42,48,60)
- Incarnation Cross : RAX Rulership 1
French senior magistrate. From October 1997 to April 1998 he oversaw the trial of Maurice Papon for his role in the deportation of Jews from 1942 to 1944 when he was general secretary of the Gironde.
Jean-Louis Castagnède died of an aneurysm on the night of 17-18 February 2007 in Paris, at the age of 61. His death came just hours after that of Maurice Papon.