| Sicu | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Cluj County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Tăușeni, Coasta, Sântejude-Vale |
| Length: | 17km (11miles) |
| Mouth: | Fizeș |
| Mouth Location: | Sântioana |
| Mouth Coordinates: | 46.9705°N 24.0143°W |
| Basin Size: | 89km2 |
| Tributaries Right: | Sântejude |
The Sicu is a tributary of the river Fizeș in Romania. It flows into the Fizeș in Sântioana.[1] Its length is 17km (11miles) and its basin size is 89km2. Lake Sântejude is located on this river.