2020–21 Slovak First Football League
The 2020–21 Slovak First Football League is the 28th season of first-tier football league in Slovakia since its establishment in 1993. ŠK Slovan Bratislava are the defending champions, having won their 10th Slovak league title in the previous season. In this season, teams are allowed to make five substitutions during matches in a maximum of three stoppages in play for one team.
Teams
Twelve teams compete in the league, including all sides from the previous season.Stadiums and locations
| AS Trenčín | Dunajská Streda | FK Pohronie | Michalovce |
| Štadión pod Dubňom UEFA | MOL Aréna UEFA | Mestský štadión UEFA | Mestský futbalový štadión UEFA |
| Capacity: 11,258 | Capacity: 12,700 | Capacity: 2,309 | Capacity: 4,440 |
| FK Senica | MFK Ružomberok | MŠK Žilina | Slovan Bratislava |
| OMS Arena UEFA | Štadión pod Čebraťom | Štadión pod Dubňom UEFA | Tehelné pole UEFA |
| Capacity: 5,070 | Capacity: 4,817 | Capacity: 11,258 | Capacity: 22,500 |
| Spartak Trnava | ŠKF Sereď | Zlaté Moravce | FC Nitra |
| ŠAM - City Arena UEFA | Štadión FC ViOn UEFA | Štadión FC ViOn UEFA | Štadión pod Zoborom UEFA |
| Capacity: 19,200 | Capacity: 4,000 | Capacity: 4,000 | Capacity: 7,480 |