| Nextseason: | 2021–22 |
| BLNO | |
| Teams: | 10 |
The 2020–21 BLNO is the 21st season of the Basketball League of Norway.
The ten participating teams first played the regular season, that consisted in a round-robin schedule containing three rounds with every team playing each opponent at least once home and once away for a total of 27 matches.
At the end of the regular season, the top eight teams qualifyfor the playoffs.
| Team | City | Arena | |
|---|---|---|---|
| Apallokka | |||
| Vollenhallen | |||
| Rykkinnhallen | |||
| Vulkanhallen | |||
| Frøya Idrettspark | |||
| Framohallen | |||
| Gimlehallen | |||
| Kongsberghallen | |||
| Husebyhallen | |||
| Tromsøhallen |
| Pos | Team | Pld | W | L | P+/- | % | |
|---|---|---|---|---|---|---|---|
| 1 | 16 | 13 | 3 | 208 | 0.813 | ||
| 2 | Kongsberg Miners | 15 | 12 | 3 | 205 | 0.800 | |
| 3 | Frøya | 16 | 12 | 4 | 50 | 0.750 | |
| 4 | Bærum | 16 | 10 | 6 | 117 | 0.625 | |
| 5 | Asker Aliens | 15 | 9 | 6 | 86 | 0.600 | |
| 6 | Fyllingen | 18 | 9 | 9 | 89 | 0.500 | |
| 7 | Tromsø Storm | 16 | 7 | 9 | -3 | 0.438 | |
| 8 | Ammerud | 16 | 5 | 11 | -58 | 0.313 | |
| 9 | Nidaros Jets | 14 | 2 | 12 | -308 | 0.143 | |
| 10 | Centrum Tigers | 18 | 1 | 17 | -386 | 0.056 |