Casque d'Or (lit. "Golden Helmet"; released in the U.S. as Golden Marie) is a 1952 French historical-drama film directed by Jacques Becker. It is a Belle Époque tragedy, the story of an ill-fated love affair between characters played by Simone Signoret and Serge Reggiani. The story was loosely based on an infamous real-life love triangle between the prostitute Amélie Élie and the Apache gang leaders Manda and Leca, which was the subject of much sensational newspaper reporting during 1902.

The film was shot at the Billancourt Studios in Paris, as well as at various locations around the city. The sets were designed by art director Jean d'Eaubonne.