Don't Shout It from the Rooftops (French: Ne le criez pas sur les toits) is a 1943 French comedy drama film directed by Jacques Daniel-Norman and starring Fernandel, Robert Le Vigan and Meg Lemonnier. It was shot at the Marseille Studios in the Unoccupied Zone of France. The film's sets were designed by the art director Robert Giordani.
Vincent Fleuret, assistant to a celebrated scientist, is working on a formula to try and prolong the life of flowers. His boss is close to inventing a new type of synthetic fuel. After his death a number of people mistakenly believe that Vincent holds the secret of the scientist's potentially valuable discovery.