The Patterson Mansion (also known as the Patterson House or the Washington Club) is a historic Neoclassical-style mansion located at 15 Dupont Circle NW in Washington, D.C., in the United States. It was built by Robert Wilson Patterson, editor of the Chicago Tribune newspaper, and used by him and his family for entertaining when he was in the city. Completed in 1903, it was deeded to the American Red Cross in 1948. The Red Cross sold it to the Washington Club in 1951.