| Rachiș | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Alba County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Rachiș |
| Length: | 15km (09miles) |
| Mouth: | Aiud |
| Mouth Location: | Poiana Aiudului |
| Mouth Coordinates: | 46.3668°N 23.6033°W |
| Progression: | Aiud→ |
| Basin Size: | 33km2 |
The Rachiș is a left tributary of the river Aiud in Romania. It flows into the Aiud in Poiana Aiudului.[1] Its length is 15km (09miles) and its basin size is 33km2.