The Smithsonian Institution ( ) is an educational and research institute and associated museum complex, administered and funded by the government of the United States and by funds from its endowment, contributions, and profits from its shops and its magazine. Most of its facilities are located in Washington, D.C., but its 19 museums, zoo, and eight research centers include sites in New York City, Virginia, Panama, and elsewhere. It has over 142 million items in its collections.

A monthly magazine published by the Smithsonian Institution is also named the Smithsonian.

Smithsonian Police Guard Force Protects the visitors, staff and property of the museums

Smithsonian Networks is a new multiplatform network that uses Smithsonian archives and resources to create original HD programming.