Leierkasten, Munich, Adult entertainment venue in northern Munich, Germany.

Leierkasten is a brothel at the corner of Ingolstädter Straße and Frankfurter Ring in Munich-Freimann, near the Euro-Industriepark. Its red facade carries the slogan "Du kommst als Fremder und gehst als Freund" and a silhouette of a seated figure above the entrance. The building was gutted and renovated from autumn 2013 to June 2014, with a 600 m² extension including a wellness area; rooms on the first floor were enlarged and some original windows bricked up.

Willi Schütz, a Frankfurt builder, opened the Eros-Center Leier-Kasten in Zweigstraße in September 1971 after buying the building for seven million D-Mark. A police raid on 10 April 1972, two days after the city centre was made an extended restricted zone, triggered the Munich "Dirnen-Krieg". The house later moved to its present corner of Ingolstädter Straße and Frankfurter Ring; it reopened as a Laufhaus in 2004 and was gutted and extended by 600 m² between autumn 2013 and June 2014.

The name comes from a barrel organ, and the facade slogan "Du kommst als Fremder und gehst als Freund" is a Munich landmark; long-serving mayor Christian Ude inverted it to describe the Bavarian SPD. The house has served as a film and TV set, and its corner position near the Euro-Industriepark makes it a local orientation point.

The building stands at the corner of Ingolstädter Straße and Frankfurter Ring, near the Euro-Industriepark, and is reached by the Frankfurter Ring transport stop. It was gutted and rebuilt from autumn 2013 to June 2014, when a 600 m² extension with a wellness area was added and the first-floor rooms were enlarged, some original windows bricked up. The house reopened on 15 June 2014.

The long-time operator Hans Fretz, known as "Karlsruher Hans", ran the Leierkasten from 1978 to 1990 and invited stars such as Muhammad Ali, Pelé and Diego Maradona into the house. Fretz died in 2001, aged 55, in a hunting accident.