Dixie Bibb Graves (July 26 1882–January 21 1965) was a U.S. senator from the state of Alabama. She was appointed to the Senate by her husband, Bibb Graves, to fill the vacancy caused by the resignation of Hugo L. Black and served from August 20 1937 to her resignation on January 10 1938.

Preceded by: Hugo L. Black	U.S. Senator from Alabama 1937-1938	Succeeded by: J. Lister Hill
Served alongside: John H. Bankhead II