Millionaires for One Day (French: Millionnaires d'un jour) is a 1949 French comedy film directed by André Hunebelle and starring Gaby Morlay, Jean Brochard and Ginette Leclerc.

[1][2] It was shot at the Francoeur Studios in Paris.

The film's sets were designed by the art director Lucien Carré.

[3] Due to an error printed in a newspaper, a number of people wrongly believe they have won the lottery.

This article related to a French film of the 1940s is a stub.