Number 84 Avenue Foch was a building in Paris used by the Nazi SS during the German occupation of Paris during World War II. The location is found on Avenue Foch, a wide residential boulevard in the XVIe arrondissement which connects the Arc de Triomphe and the Porte Dauphine. During the German occupation of northern France, the buildings at numbers 82, 84 and 86 of the Avenue Foch were taken over by the counter-intelligence branch of the SS, known as the Sicherheitsdienst, or SD.