| 1969–70 Liga Nacional de Baloncesto | |
|---|---|
| League | Liga Nacional |
| Sport | Basketball |
| Number of teams | 12 |
| TV partner(s) | Televisión Española |
| Regular Season | |
| Season champions | Real Madrid |
The 1969–70 season was the 14th season of the Liga Nacional de Baloncesto. Real Madrid won the title.