| Mărăloiu | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Cluj County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Boju, Cara, Moriști |
| Length: | 16km (10miles) |
| Mouth: | Someșul Mic |
| Mouth Location: | Apahida |
| Mouth Coordinates: | 46.8124°N 23.7463°W |
| Basin Size: | 54km2 |
The Mărăloiu is a right tributary of the river Someșul Mic in Romania. It discharges into the Someșul Mic in Apahida.[1] Its length is 16km (10miles) and its basin size is 54km2.