Rebecca McPherson Wright Bonsal (January 31, 1838 or 1842 – May 15, 1914) was an American Quaker teacher who was fired for her Unionist loyalty, as well as delivered important intelligence to the Union Army during the American Civil War, which helped Union Generals Philip Sheridan and George Crook defeat Confederate General Jubal Early in the crucial Third Battle of Winchester in September, 1864.