This list of museums in Washington, D.C. encompasses museums defined for this context as institutions (including nonprofit organizations, government entities, and private businesses) that collect and care for objects of cultural, artistic, scientific, or historical interest and make their collections or related exhibits available for public viewing. Museums that exist only in cyberspace (i.e., virtual museums) are not included.

To use the sortable table, click on the icons at the top of each column to sort that column in alphabetical order; click again for reverse alphabetical order.