1979–80 Eredivisie (basketball)

The 1979–80 Eredivisie was the 19th season of the highest-level basketball league in the Netherlands, and the 32nd season of the top flight Dutch basketball competition.

BV Groningen entered the league, which was expanded to eleven teams. Nashua Den Bosch won its second league title, and its second consecutive.

Playoffs
Teams in italics had home court advantage and played the first and third leg at home.