Czardas of Hearts (German: Czardas der Herzen) is a 1951 West German comedy film directed by Sándor Szlatinay and starring Wolf Albach-Retty, Hannelore Bollmann and Dorit Kreysler. It was shot at the Bavaria Studios in Munich. It was based on the play Servus Peter by Károly Nóti and it is also known by this title. An earlier version of the story Hello, Peter! was made by Szlatinay in Hungary in 1939.
In pre-war Budapest the struggling actor Paul is mistaken for his doppelganger Peter, a celebrated film director. Peter wants a break from the public interest and pressures of his job and hires Paul to masquerade as him for several days.