Benjamin Burras Rayburn, Sr., known as B. B. "Sixty" Rayburn (August 11, 1916 – March 5, 2008), was a veteran politician from Bogalusa, an incorporated city in Washington Parish in southeastern Louisiana in the United States. He was a firm supporter of the region's public hospitals, highways, and its indigenous Southeastern Louisiana University.He served as a populist Democrat in both houses of the Louisiana State Legislature from 1948 to 1996.