| 2019–20 Slovak 1. Liga season | |
| League: |  Slovak 1. Liga |
| Sport: | Ice hockey |
| Duration: | September 2019 – April 2020 |
| Season: | Regular season |
| Season Champ Name: | League Champion |
| Season Champs: | Bratislava Capitals |
| Playoffs: | Playoffs |
| Playoffs Link: |
|
| Nextseason Year: | 2020–21 |
| Prevseason Year: | 2018–19 |
| Seasonslistnames: | Slovak 1. Liga |
The 2019–20 Slovak 1. Liga season was the 27th season of the Slovak 1. Liga, the second level of ice hockey in Slovakia.[1]
The season was ended prematurely due to the COVID-19 pandemic in Slovakia.
Each team played 36 games, playing each of the other nine teams fourth times. At the end of the regular season, the team that finished with the most points was crowned the league champion. Each 1HL team played two matches with SR 18 (1x at home and 1x outside) to support the preparation of the SR team for MS U18, I. div. sk. A 2020.
Eight teams qualify for the playoffs. The playoffs were cancelled as a result of the COVID-19 pandemic in Slovakia.