| Ripple River | |
| Mouth Location: | Mississippi River in Aitkin County, Minnesota |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Source1 Elevation: | Approximately 1280 ft.[1] |
| Mouth Elevation: | Approximately 1180 ft.[2] |
The Ripple River is a small river of north-central Minnesota. The stream headwaters are at the outlet of Bay Lake of eastern Crow Wing County and it flows east and north to its confluence with the Mississippi River on the north side of Aitkin in Aitkin County. The river follows a circuitous route, with a total stream length of ;[3] while the direct distance between its source and mouth is approximately .[4]