Serge Joncour (born 1961) is a French novelist and screenwriter.^[1] He was born in Paris and studied philosophy at university. His debut novel UV was published in 1998. Notable books include:

• L'Écrivain national, which won the Prix des Deux Magots
• Repose-toi sur moi winner of the Prix Interallié
• Chien loup, winner of the Prix Landerneau des Lecteurs, which became the first of his novels to appear in English translation.^[2]
• Nature humaine, winner of Prix Femina 2020.^[3]

As a screenwriter, he wrote the script for Elle s'appelait Sarah (2011) starring Kristin Scott Thomas.

He was recently suspended from Twitter.