Kunsthaus Kannen, Art museum on Alexianer Campus in Amelsbüren, Münster, Germany.

Kunsthaus Kannen is an Art Brut and Outsider Art museum on the Alexianer grounds in Münster. Since October 2000 it has occupied a 600 m² new building by architect Tobias Brösskamp, containing a 270 m² exhibition hall, studios with 15 workspaces, a reference library and an art shop.

The Kannen estate has belonged to the Alexianer Brothers since 1887, who ran a psychiatric clinic on the grounds. From the 1980s, art, occupational and music therapy became permanent offerings under physician Wulf Becker-Glauch, and works by long-term patients were collected. In 1990 a Gründerzeit villa on the campus was used to archive and exhibit these pieces; in October 2000 the Kunsthaus moved into a 600 m² new building by architect Tobias Brösskamp.

The name Kannen comes from the former Gutshof Kannen estate held by the Alexianer Brothers since 1887. Since 1994 the house has held thematic and solo shows, and since 1996 an annual and sales exhibition. Every two years since 2009 the 2x2 Forum brings international outsider-art studios together with lectures.

The Kunsthaus occupies a 600 m² new building from 2000 by architect Tobias Brösskamp, with a 270 m² exhibition hall, 15 studio workplaces, a reference library and an art shop. The site lies on the Alexianer grounds in the southern part of Münster; arriving by public transport and allowing time for the whole campus is advisable.

The collection holds over 5,000 pictures and objects, making it Germany's second-largest assembly of outsider art from a psychiatric context after the Prinzhorn Collection in Heidelberg. Robert Burda, one of its artists, won the EUWARD prize in 2004.