The List of BSN champions are the champions of the Baloncesto Superior Nacional (BSN) Championship Finals, which is the championship series for the BSN and the conclusion of the professional basketball's league tournament in Puerto Rico. Most Finals have been played in a best-of-seven format. The winning team of the series receives the championship trophy.
The Vaqueros de Bayamon lead the league for most championships won at 17. They are followed by two teams that have 14 titles; the Atléticos de San Germán and Leones de Ponce. These three teams have won a combined 44 of the 91 championships.