国立丹麦博物馆（丹麦语：Nationalmuseet）是位于丹麦哥本哈根的一家博物馆，以丹麦文化史为展示主题，展示有关丹麦和外国文化的历史的展品，是丹麦最大的文化史博物馆。博物馆内展示有众多非常珍贵的历史展品，覆盖丹麦自史前时代、冰河时代、维京时代，至中世纪、文艺复兴，到现当代的整个历史。其中的丹麦史前时代展览区自2001年起作为临时展厅开放，之后经历了闭馆修缮于2008年5月重新开放，成为固定展厅。

The National Museum of Denmark (Nationalmuseet) in Copenhagen is Denmark’s largest museum of cultural history, comprising the histories of Danish and foreign cultures, alike. The museum's main building is located a short distance from Strøget at the center of Copenhagen. It contains exhibits from around the world, from Greenland to South America. Additionally, the museum sponsors SILA - The Greenland Research Centre at the National Museum of Denmark to further archaeological and anthropological research in Greenland.