| 2020–21 Slovak 1. Liga season | |
| League: |  Slovak 1. Liga |
| Sport: | Ice hockey |
| No Of Teams: | 11 |
| Season: | Regular season |
| Season Champ Name: | League Champion |
| Season Champs: | Vlci Žilina |
| Playoffs: | Playoffs |
| Playoffs Link: |
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| Finals Champ: | HK Spišská Nová Ves |
| Finals Runner-Up: | Vlci Žilina |
| Nextseason Year: | 2021–22 |
| Prevseason Year: | 2019–20 |
| Seasonslistnames: | Slovak 1. Liga |
The 2020–21 Slovak 1. Liga season was the 28th season of the Slovak 1. Liga, the second level of ice hockey in Slovakia.[1]
Each team played 38 games: playing each of the other nine teams four times – 2x at home, 2x away (36 games). 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 2021.[2]
Eight teams qualify for the playoffs.
Spišská Nová Ves wins the finals 4-1.
| Spišská Nová Ves | ||
| Žilina | ||
| Martin | ||
| 4 | Dubnica | |
| 5 | Topoľčany | |
| 6 | Levice | |
| 7 | Humenné | |
| 8 | Považská Bystrica | |
| 9 | Skalica | |
| 10 | Trnava | |
| SR 18 |