| Inna | |
| Pushpin Map: | Trøndelag#Norway |
| Pushpin Map Caption: | Location of the river |
| Subdivision Type1: | Country |
| Subdivision Name1: | Norway |
| Subdivision Type2: | County |
| Subdivision Name2: | Trøndelag |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Verdal |
| Length: | 30km (20miles) |
| Source1: | Innsvatnet |
| Source1 Location: | Verdal, Norway |
| Source1 Coordinates: | 63.6578°N 12.1992°W |
| Mouth: | Verdalselva |
| Mouth Location: | Vuku, Verdal, Norway |
| Mouth Coordinates: | 63.7761°N 11.7392°W |
| Tributaries Left: | Trongdøla, Tverråa |
| Tributaries Right: | Kverna |
Inna is a river that flows through the municipality of Verdal in Trøndelag county, Norway. The river begins in the east at the lake Innsvatnet, located near the border to Sweden, and it runs west to the village of Vuku at the confluence of the rivers Inna and Helgåa, which together become the river Verdalselva. The river Inna runs through the Inndalen valley, through the villages of Sul, Garnes, Holmen, and ends at Vuku.[1]