| Tv: | HRT Arena Sport |
| Biggest Home Win: | (10 January 2021) |
| Biggest Away Win: | (10 November 2020) |
| Losing Streak: | Hermes 4 games |
| Winning Streak: | Gorica 3 games |
| Highest Scoring: | (14 October 2020) |
| Assists Leader: | Borna Kapusta (Gorica) |
| Apg: | 6.1 |
| Apg N: | HRV |
| Rebounds Leader: | Hasan Varence (Alkar) |
| Rpg: | 8.5 |
| Rpg N: | USA |
| Top Scorer: | Milija Miković (Šibenka) |
| Ppg: | 19.4 |
| Ppg N: | MNE |
| Finals Mvp: |  Dominik Mavra (Zadar) |
| Mvp: | Henrik Širko (Šibenka) |
| Top Seed: | Zadar |
| Duration: | 18 September 2020 – March 2021 (Regular season) |
| Prevseason: | 2019–20 |
| Teams: | 12 |
| Relegated: | Hermes Analitica |
| Promoted: | Cedevita Junior |
| Semifinalists: | Cibona Gorica |
| Runners Up: | Split |
| Champions: | Zadar |
| Season: | 2020–21 |
| Hrvatski telekom Premijer liga | |
| Nextseason: | 2021–22 |
The 2020–21 Hrvatski telekom Premijer liga (Croatian: Hrvatski telekom Premijer liga 2020./21.) was the 30th season of the HT Premijer liga, the top-tier professional basketball league in Croatia. The season started on 18 September 2020.
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.[1]
Since the previous season was cancelled, there was no promotion and relegation.
| 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 | |
| Furnir | Zagreb | Dubrava Sports Hall | 2,000 | |
| Gorica | Velika Gorica | Velika Gorica City Sports Hall | 620 | |
| 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 | 8,500 |
| Teams that play in the 2020–21 First Adriatic League | ||
| Teams that play in the 2020–21 Second Adriatic League | ||
| Teams that play in the 2020–21 Alpe Adria Cup |
| Team | Head coach | Captain | Kit manufacturer | Shirt sponsor | |
|---|---|---|---|---|---|
| Adria Oil Škrljevo | Damir Rajković | Josip Barnjak | GBT | Renault RB Auto / Metis d.o.o. | |
| Alkar | Denis Bobeta | Hrvoje Vučić | IDS Šibenik | ||
| Cibona |  Vladimir Jovanović | Roko Prkačin | Visual | ||
| Furnir | Jeronimo Šarin | Petar Perić | No1 | Furnir | |
| Gorica | Josip Sesar | Ivan Majcunić | Sportika | Matić Tech Cut | |
| Hermes Analitica | Božidar Bilafer | Filip Kordić | Orlando | ||
| Sonik Puntamika | Stipe Kuliš | Dino Palčić | Sonik | ||
| Split | Mile Karakaš | Mateo Kedžo | Jugoplastika | ||
| Šibenka | Dženan Rahimić | Domagoj Bašić | Errea | NP Krka | |
| Vrijednosnice | Stipe Šarlija | Robert Kujundžić | Vrijednosnice Osijek | ||
| Zabok | Ivan Tomas | Antonio Črnjević | Luanvi | Terme Tuhelj | |
| Zadar | Veljko Mršić | Dominik Mavra | Macron |
See main article: article.
As of the 2020–21 season, team who lost the 2020–21 First League final and the 11th placed team of the 2020–21 Premijer liga season will play in the Qualifiers for a spot in the 2021–22 Premijer liga season.
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