2019–20 Hrvatski telekom Premijer liga
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.
Format
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.Current teams
Promotion and relegation
;Teams promoted from the First League- Dubrava Furnir
- Sonik Puntamika
- Bosco
- Cedevita Junior
Venues and locations
| Team | Home city | Arena | Capacity |
| Adria Oil Škrljevo | Čavle | Mavrinci Hall | 720 |
| Alkar | Sinj | Ivica Glavan "Ićo" Sports Hall | 600 |
| Cibona | Zagreb | Dražen Petrović Basketball Hall | 5,400 |
| Dubrava Furnir | Zagreb | Dubrava Sports Hall | 2,000 |
| Gorica | Velika Gorica | Velika Gorica High Schools' Hall | 1,000 |
| Hermes Analitica | Zagreb | Dražen Petrović Basketball Hall | 5,400 |
| Sonik Puntamika | Zadar | Jazine Basketball Hall | 3,000 |
| Split | Split | Arena Gripe | 3,500 |
| Šibenka | Šibenik | Baldekin Sports Hall | 900 |
| Vrijednosnice | Osijek | Gradski vrt Hall | 3,538 |
| Zabok | Zabok | Zabok Sports Hall | 3,000 |
| Zadar | Zadar | Krešimir Ćosić Hall | 7,997 |
| Teams that play in the 2019–20 First Adriatic League | |
| Teams that play in the 2019–20 Second Adriatic League | |
| Teams that play in the 2019–20 Alpe Adria Cup |