Katia Krafft (née Catherine Joséphine Conrad, Mulhouse, 17 April 1942 – 3 June 1991) and her husband, Maurice Paul Krafft (Guebwiller, 25 March 1946 – 3 June 1991), were French volcanologists who died in a pyroclastic flow on Mount Unzen, in Japan, on June 3, 1991.