The 2019-20 KBL season was the 24th season of the Korean Basketball League (KBL), the highest level of basketball in South Korea.
Ulsan Hyundai Mobis Phoebus was the defending champion.
On 24 March 2020, the KBL decided to cancel the remainder of the season because of the COVID-19 pandemic.
[1] Initially some games in February were played behind closed doors but, as with other domestic sports leagues, government restrictions forced the KBL to forfeit the rest of the season.
The Seoul SK Knights and the Wonju DB Promy went into the record books as the co-first-placed teams in the regular season.