| Little Rock River | |
| Pushpin Map: | Iowa |
| Pushpin Map Caption: | Mouth of the Little Rock River |
| Subdivision Type1: | Country |
| Subdivision Name1: | US |
| Subdivision Type2: | State |
| Subdivision Name2: | Iowa, Minnesota |
| Subdivision Type4: | District |
| Subdivision Name4: | Lyon County, Iowa, Osceola County, Iowa, Nobles County, Minnesota |
| Source1 Coordinates: | 43.6153°N -95.69°W |
| Mouth: | Rock River |
| Mouth Location: | Doon, Iowa, US |
| Mouth Coordinates: | 43.2642°N -96.2467°W |
| Mouth Elevation: | NaNfeet |
The Little Rock River is a tributary of the Rock River, long,[1] in southwestern Minnesota and northwestern Iowa in the United States. Via the Rock, Big Sioux and Missouri rivers, it is part of the watershed of the Mississippi River.
It has also been known as "Little Rock Creek".
The Little Rock River rises in Nobles County, Minnesota, 3miles west of the town of Worthington, and flows generally southwestwardly through Osceola and Lyon counties in Iowa, where it passes the towns of Little Rock and George. It flows into the Rock River about southwest of Doon.[2]