Sarah Tyson Hallowell or Sara Tyson Hallowell (December 7, 1846 – July 19, 1924) was an American art curator in the years between the Civil War and World War I. She curated a number of major exhibitions in Chicago, arranged the loan exhibition of French Art at the World's Columbian Exposition in Chicago, and worked with Bertha Palmer (1849–1918) to organize the murals for the women's pavilion for the fair. She then moved to Paris, where she served as agent for the Art Institute of Chicago. During World War I she and her niece Harriet Hallowell (1873–1943) volunteered at a small hospital. She lived in France until her death in 1924.