| Idbyån | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Sweden |
| Subdivision Type3: | County |
| Subdivision Name3: | Västernorrland |
| Length Km: | 40 |
| Mouth: | Gulf of Bothnia |
| Mouth Coordinates: | 63.2897°N 18.8792°W |
| Mouth Elevation: | 0m (00feet) |
| Basin Size Km2: | 222.4 |
| Basin Size Ref: | [1] |
Idbyån is a river in northern Sweden.