| 1980 NBL season | |
|---|---|
| League | National Basketball League |
| Sport | Basketball |
| Duration | 2 February–8 June 1980 (Regular season) 14–15 June 1980 (Finals) |
| Number of games | 22 |
| Number of teams | 12 |
| TV partner(s) | ABC |
| Regular season | |
| Season champions | St. Kilda Saints |
| Season MVP | Rocky Smith (St. Kilda) |
| Top scorer | Rocky Smith (St. Kilda) |
| Finals | |
| Champions | St. Kilda Saints (2nd title) |
| Runners-up | West Adelaide Bearcats |
| Grand Final MVP | Rocky Smith (St. Kilda) |
The 1980 NBL season was the 2nd season of the National Basketball League (NBL).