| Ighiu | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Alba County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Ighiel, Ighiu |
| Length: | 18km (11miles) |
| Mouth: | Ampoi |
| Mouth Location: | Șard |
| Mouth Coordinates: | 46.1163°N 23.5442°W |
| Basin Size: | 108km2 |
| Tributaries Left: | Țelna, Bucerdea |
| Tributaries Right: | Iezer |
The Ighiu is a left tributary of the river Ampoi in Romania. It discharges into the Ampoi in Șard.[1] Its length is 18km (11miles) and its basin size is 108km2.