We Are All Murderers (French: Nous sommes tous des assassins, Italian: Siamo tutti assassini) is a 1952 French-Italian crime drama film written and directed by André Cayatte and starring Marcel Mouloudji, Raymond Pellegrin and Claude Laydu.

It tells the story of René, a young man from the slums, trained by the French Resistance in World War II to kill Germans.

It was entered into the 1952 Cannes Film Festival and won the Special Jury Prize.

[3] René Le Guen (Marcel Mouloudji) is a former resistance fighter trained as a young man as a professional killer.

Cayatte used his films to reveal the inequities and injustice of the French system, and protested against capital punishment.