| Aiud | |
| Name Other: | Aiudul de Sus, Enyed-patak |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Alba County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Poiana Aiudului, Livezile, Aiudul de Sus, Aiud |
| Length: | 27km (17miles) |
| Mouth: | Mureș |
| Mouth Location: | Aiud |
| Mouth Coordinates: | 46.3187°N 23.7471°W |
| Basin Size: | 182km2 |
| Tributaries Left: | Rachiș |
| Tributaries Right: | Izvoarele, Inzel, Neau |
The Aiud or Aiudul de Sus (hu|Enyed-patak) is a left tributary of the river Mureș in Transylvania, Romania.
It discharges into the Mureș in Aiud.[1] The upper reach is also known as Siloș. Its length is 27km (17miles) and its basin size is 182km2.
