On the morning of 29 October 2020, three people were killed in a stabbing attack at Notre-Dame de Nice, a Roman Catholic basilica in Nice, France. The alleged attacker, Tunisian man Brahim Aouissaoui, was shot by the police and taken into custody. Both French President Emmanuel Macron and the mayor of Nice, Christian Estrosi, said it was a terrorist attack attributed to Islamic extremism.

The Basilica of Notre-Dame de Nice is a Roman Catholic basilica situated on the Avenue Jean Médecin in the centre of Nice, in France. It is built in the Neo-Gothic architectural tradition.