Wellborn Jack
 Wellborn Jack Sr. (1907 - June 1 1991) was an attorney from Shreveport Louisiana who was a Democratic member of the Louisiana House of Representatives from Caddo Parish having served from 1940 to 1964. He finished in sixth place for five at-large seats in the general election held on March 3 1964. Winning the fifth position was future State Senator and U.S. Senator J. Bennett Johnston Jr. a fellow Democrat.