The Belmont-Paul Women's Equality National Monument is a historic house and museum of the U.S. women's suffrage and equal rights movements located in the Capitol Hill neighborhood of Washington, D.C., in the United States. Since 1929, it has served as headquarters of the National Woman's Party, a key political organization in the fight for women's suffrage. It was added to the National Register of Historic Places in 1972, designated a National Historic Landmark in 1974.