| 1969–70 1. Slovenská národná hokejová liga season | |
| League: | 1. SNHL |
| Sport: | Ice hockey |
| No Of Teams: | 8 |
| Season: | Regular season |
| Season Champ Name: | League Champion |
| Season Champs: | TJ LVS Poprad |
| Nextseason Year: | 1970–71 |
The 1969–70 1. Slovenská národná hokejová liga season was the 1st season of the 1. Slovenská národná hokejová liga, the second level of ice hockey in Czechoslovakia alongside the 1. Česká národní hokejová liga. 8 teams participated in the league, and TJ LVS Poprad won the championship.