Eliza Buckley Ingalls (August 24, 1848 – February 9, 1918) was an American temperance activist.
Active in local and national activities of the Woman's Christian Temperance Union (WCTU), for twenty-seven years (1891-1918), Ingalls served as president of the federated white ribbon unions of St.
Louis; and for twenty years, as superintendent of the national union's Anti-Narcotics Department.