The Ludwig Forum für Internationale Kunst is a museum of modern art in Aachen, North Rhine-Westphalia, Germany. It is located in a former industrial building that was once an umbrella factory (Schirmfabrik Brauer), designed in Bauhaus style and built in 1928.
The museum contains exemplary major works of American pop art and photorealism. It also displays the development of European art from the early 1960s to the present day. Its permanent collection includes works by Nam June Paik, Horst Antes, Roy Lichtenstein, and Jörg Immendorff, as well as a large collection of Cuban works.
It also displays works by well-known contemporary artists, as well as hosting exhibitions of local artists, e.g. an exhibition about tiles in 2007.
Other museums and institutions bearing the name Ludwig are located in Bamberg, Basel, Budapest, Koblenz, Cologne, Oberhausen, Saarlouis, Beijing, St. Petersburg, Vienna and Havana. There is a close cooperation between the Peter and Irene Ludwig Foundation and these municipal or state institutions.