The Louisiana Museum of Modern Art, also known as just Louisiana is an art museum located on the shore of the Øresund Sound in Humlebæk, 35 km (22 mi) north of Copenhagen, Denmark. It is the most visited art museum in Denmark, and has an extensive permanent collection of modern and contemporary art, dating from World War II to the present day; in addition, it has a comprehensive programme of special exhibitions. The museum is also acknowledged as a milestone in modern Danish architecture, and is noted for its synthesis of art, architecture, and landscape, such as was showcased in an installation entitled "Riverbed" shown in 2014–2015. It has been called a "Danish beacon in the international art world." The museum occasionally also stages exhibitions of work by the great impressionists and expressionists, such as Claude Monet, who was the focus of a major exhibition in 1994. It has between 600,000–700,000 visitors per year, 17–33% of whom reside in nearby Sweden.

Humlebæk is a town within the municipality of Fredensborg in North Zealand in Denmark, approximately 35 km north of Copenhagen. Humlebæk is located at the shore to Øresund and has a population of 9,855 (2023).