Miller House is a mansion on the Embassy Row section of Massachusetts Avenue in Washington, D.C.

It has been described as "the finest surviving mansion" designed by Paul J. Pelz, the main architect of the Library of Congress.

[1] Designed by Pelz in the Northern Renaissance style, the house was built in 1900-01 for Commander Frederick Augustus Miller (1842–1909).

Like many mansions in Northwest Washington, D.C., it was then divided into apartments during the Great Depression and rented as a boarding house.

[6] The owner decided to preserve and repair the exterior structure and to rebuild inside on a design by Richard Ridley, a local architect and author of the Washington Post's Making Space column from 1982 to 1988.