Catherine Rihoit (Born in Caen in 1950) is a French writer.
Portrait de Gabriel, her first novel, appeared in 1977. In 1979, she received the Prix des Deux Magots for Le bal des débutantes. Her 1982 novel La Nuit de Varennes ou l'Impossible n'est pas français was made into a film, That Night in Varennes, the same year.
She has written biographies of Thérèse of Lisieux (Plon, 1992), Brigitte Bardot (1986), Dalida, and Bernadette Soubirous (2009).