On the Reeperbahn at Half Past Midnight () is a 1969 West German drama film directed by Rolf Olsen and Al Adamson and starring Curd Jürgens, Heinz Reincke, and Jutta D'Arcy. It takes its title from a popular 1912 song of the same name about Hamburg, the setting of the film. It is also known by the alternative title Shock Treatment.
The film is a remake of On the Reeperbahn at Half Past Midnight (1954).