| North River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Iowa |
| Subdivision Type3: | Counties |
| Subdivision Name3: | Polk, Warren, Madison, Adair, Guthrie |
| Discharge1 Location: | Norwalk, Iowa |
| Discharge1 Avg: | 209 cu/ft. per sec.[1] |
| Source1 Coordinates: | 41.524°N -94.481°W |
| Mouth: | Des Moines River |
| Mouth Coordinates: | 41.515°N -93.447°W |
| Mouth Elevation: | 758feet |
The North River is a tributary of the Des Moines River in south-central Iowa in the United States. It is long[2] and drains an area of .[3] Via the Des Moines River, it is part of the watershed of the Mississippi River.
The North River rises northeast of Casey in southern Guthrie County and flows generally eastwardly through Adair, Madison and Warren counties, past Carlisle, into southeastern Polk County,[4] where it joins the Des Moines River southeast of Des Moines.[5]
In Madison County, it collects a short tributary known as the North Branch North River.