Lois Weldon Bowlin (December 10, 1940 – December 8, 2019) was a Major League Baseball third baseman. Nicknamed "Hoss", he was signed by the St. Louis Cardinals as an amateur free agent in 1959, and acquired by the Kansas City Athletics in August 1961. He started two games for the A's in 1967. In his thirteen innings on the field, Bowlin recorded four assists and made no errors. In 1971, he was the manager of the Wisconsin-Rapids, guiding future major leaguers Glen Borgman, Bill Campbell and Dave McKay. Bowlin died on December 8, 2019.