Olivia Juliette Hooker (February 12, 1915 – November 21, 2018) was an American psychologist and professor. She was one of the last known survivors of the Tulsa race massacre of 1921, and the first African-American woman to enter the U.S. Coast Guard, in February 1945. She became a SPAR (Semper Paratus Always Ready), a member of the United States Coast Guard Women's Reserve, during World War II, earning the rank of Yeoman, Second Class during her service. She served in the Coast Guard until her unit was disbanded in mid-1946; she went on to become a psychologist intern at a women's correctional facility and a clinical professor at Fordham University.