 | |
| Founded | 2003 |
|---|---|
| Country |  (2003–2006) (2006–present) |
| Confederation | UEFA |
| Number of teams | 16 |
| Level on pyramid | 3 |
| Promotion to | Serbian First League |
| Relegation to | Zone League Centre Zone League East Zone League South Zone League West |
| Domestic cup(s) | Serbian Cup |
| Current champions | Dubočica (1st title) (2022–23) |
| Most championships | Dinamo Vranje, Radnički Pirot (3 titles) |
| Website | fsris.org.rs |
| Current: 2023–24 | |
Serbian League East (Serbian: Српска лига Исток / Srpska liga Istok) is one of four sections of the Serbian League, third tier of professional football in Serbia. The other three sections are Serbian League Belgrade, Serbian League Vojvodina and Serbian League West. It is also the highest regional league for the eastern part of Serbia.
The league was founded in 2003 following a merger between the Serbian League Niš and the Serbian League Timok.