The 2011 BSN Finals was the championship series of the 2011 season of the Baloncesto Superior Nacional (BSN) and the conclusion of the season's playoffs. The champion Capitanes de Arecibo defeated the Piratas de Quebradillas, 4–1, to win their fifth BSN title.
The series was held from July to August 1, 2011. The Capitanes hosted Games 1, 3, and 5. Guillermo Diaz was named Most Valuable Player.