The 2019–20 Hrvatski telekom Premijer liga was the 29th season of the HT Premijer liga, the highest professional basketball league in Croatia.
The regular season started in September 2019.
On 1 April 2020, the Croatian Basketball Federation canceled the season due to ongoing coronavirus pandemic.
[1] All participants in Premijer liga including teams that play ABA League joined the regular season.
It will play with a triple round-robin format where the eight first qualified teams joined the playoffs, while the penultimate will be play relegation playoffs and last qualified one was relegated.