2021 Esiliiga
The 2021 Esiliiga was the 31st season of the Esiliiga, the second-highest Estonian league for association football clubs, since its establishment in 1992. The season began on 4 March 2021 and concluded on 21 November 2021. Defending champions Maardu Linnameeskond won their second Esiliiga title.
Teams
Stadiums and locations
| Team | Location | Stadium | Capacity |
| Elva | Elva | Elva linnastaadion | |
| FCI Levadia U21 | Tallinn | Maarjamäe Stadium | |
| Flora U21 | Tallinn | Lilleküla training ground | |
| Maardu Linnameeskond | Maardu | Maardu linnastaadion | |
| Nõmme United | Tallinn | Männiku Stadium | |
| Paide Linnameeskond U21 | Paide | Paide linnastaadion | |
| Pärnu Jalgpalliklubi | Pärnu | Pärnu Rannastaadion | |
| Tallinna Kalev | Tallinn | Kalevi Keskstaadion artificial turf | |
| Tammeka U21 | Tartu | Sepa Jalgpallikeskus | |
| Welco | Tartu | Annelinna Stadium |