Confidentially Yours is a 1983 French comedy mystery film directed by François Truffaut. Based on the 1962 novel The Long Saturday Night by American author Charles Williams, it tells the story of Julien Vercel, an estate agent who is suspected of murdering his wife and her lover. As Vercel is hidden in his office, his secretary Barbara Becker investigates these suspicious murders. It was the last film directed by Truffaut before his death in October of the following year. The film had a total of 1,176,425 admissions in France and was the 39th highest-grossing film of the year.

François Roland Truffaut was a French filmmaker, actor, and critic. He is widely regarded as one of the founders of the French New Wave. With a career of more than 25 years, he is an icon of the French film industry.