Elsa Cayat () (9 March 1960 – 7 January 2015) was a French psychoanalyst and columnist. She had a biweekly column "Le Divan" ('"The Couch") in "Charlie Hebdo". The column was based on facts she hated about society. Cayat was also the author of several works on the couple and sexuality, one with the participation of Antonio Fischetti, physics teacher and researcher.