| East Branch South Branch Kishwaukee River | |
| Source1 Location: | Plato Township, Kane County, Illinois |
| Source1 Coordinates: | 41.9939°N -88.4633°W |
| Mouth Location: | Confluence with the South Branch Kishwaukee northwest of Sycamore, Illinois |
| Mouth Coordinates: | 42.0106°N -88.7236°W |
| Progression: | East Branch South Branch Kishwaukee River → South Branch Kishwaukee → Kishwaukee → Rock → Mississippi → Gulf of Mexico |
| Source1 Elevation: | 978feet |
| Mouth Elevation: | 820feet |
| Length: | 24miles |
| Custom Label: | GNIS ID |
East Branch South Branch Kishwaukee River, in northern Illinois, is a 23.7adj=midNaNadj=mid[1] tributary of the Kishwaukee River, by way of the South Branch Kishwaukee River.[2]