William Putnam Sevier
 William Putnam Sevier Jr. known as Buck Sevier (October 13 1899 - September 4 1985) was the longest-serving mayor of a community in the U.S. state of Louisiana. Sevier was first an alderman and then from 1947 to 1974 the mayor of Tallulah the seat of government of Madison Parish in the delta country of northeastern Louisiana.A great-great-grandson of the Tennessee pioneer and governor John Sevier for whom Sevierville in Sevier County Tennessee is named.