Diomedes Olivo, Dominican baseball player and scout (died 1977)

Diomedes Antonio Olivo Maldonado, nicknamed "Guayubin" for his hometown, was a Dominican professional baseball player, manager, and scout. The left-handed pitcher appeared in 85 Major League Baseball games over all or part of three seasons between 1960 and 1963 for the Pittsburgh Pirates and St. Louis Cardinals. He was the brother of fellow major leaguer Chi-Chi Olivo, and the father of major league pitcher Gilberto Rondón.