2019–20 Greek A2 Basket League

The 2019–20 Greek A2 Basket League was the 34th season of the Greek A2 Basket League, the second-tier level professional club basketball league in Greece. The league was organized by the Hellenic Basketball Federation. It was the fifth season with the participation of 16 teams. The season was prematurely cancelled, due to the COVID-19 pandemic. Due to that, none of the league's teams were relegated.

Regular season (final league standings)
Source: Basket.gr

* Diagoras Dryopideon declined to be promoted to the Greek Basket League.

** Olympiacos B started the season with a 6-point deduction, a rebuke imposed by the Hellenic Basketball Federation as a result of senior club Olympiacos's forfeiting of several Greek Basket League and Greek Cup games, during the 2018–19 season.

Promotion playoffs

 * Cancelled due to COVID-19 pandemic

Relegation playoffs

 * Cancelled due to COVID-19 pandemic