Cubi XXVI is an abstract sculpture by David Smith, in the National Gallery of Art Sculpture Garden in Washington, D.C., US.

[1] Constructed of stainless steel on January 12, 1965, it was purchased in 1978.

[2] It was on loan to the White House.

[3][4] The sculpture is a part of Smith's Cubi series.

This article about a sculpture in the United States is a stub.