Mary Blatchley Briggs (née , Blatchley; January 1, 1846 – November 17, 1910) was an American writer and women's organizer. She served for eleven years as assistant secretary, superintendent, and reporter for the press, and manager of county, state and inter-state fairs. In addition to publishing a volume of poems, she served as secretary of the Western Art Association of Omaha, Nebraska, retiring on January 1, 1891. Briggs was active in organizing woman's work, and also a writer of descriptive matter of the expositions and like areas in which she was interested. Her best known exposition work was for the world's fair at Chicago, where she was one of the two Nebraskans on the Board of Lady Managers of the World's Columbian Exposition and did much toward organizing the Nebraska women for the