Frank Parks Briggs (February 25, 1894 - September 23, 1992) was a United States Senator from Missouri. Born in Armstrong, Missouri, he attended Armstrong and Fayette schools and Central College at Fayette from 1911-1914. He graduated from the University of Missouri at Columbia in 1915, engaged in the newspaper business that year, and in the publishing business at Macon, Missouri in 1925. He was mayor of Macon from 1930 to 1932 and a member of the Missouri Senate from 1933 to 1944.
Briggs was appointed, on January 18, 1945, as a Democrat to the U.S. Senate to fill the vacancy caused by the resignation of Harry S Truman and served from January 18, 1945, to January 3, 1947; he was an unsuccessful candidate for election to the U.S. Senate in 1946. He resumed the newspaper publishing business and was chairman of the Missouri State Conservation Commission in 1955-1956; from 1961 to 1965 he was Assistant Secretary of the Interior for Fish and Wildlife 1961-1965. He was a resident of Macon until his death in 1992; interment was in Walnut Ridge Cemetery, Fayette.