The following is a list of museums in Copenhagen, including all of the Region Hovedstaden (best known in English-speaking countries as the Capital Region of Denmark).
Visit Denmark, the national Danish tourist organisation, publishes an annual Attractions List with visitor figures for the fifty most visited attractions in Denmark. According to that, visitor numbers in 2010 for the most visited museums in and around Copenhagen were:
Note: The list from Visit Denmark does not include museum-like parks such as Copenhagen Botanical Garden or Assistens Cemetery.