The 20th Cuban National Series saw Vegueros, from Pinar del Río Province, win its second title, with Villa Clara and Citricultores each finishing three games behind. The 18 teams of the league, each with a 51-game schedule, remained unchanged from the prior season.
"Cronología: 1981" (in Spanish). Archived from the original on February 25, 2005. Retrieved 2006-10-08. (Note - text is printed in a white font on a white background, depending on browser used.)