| Valea Roștilor | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Tulcea County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Luminița, Făgărașu Nou, Măgurele |
| Length: | 28km (17miles) |
| Mouth: | Danube |
| Mouth Location: | Ostrov |
| Mouth Coordinates: | 44.9002°N 28.131°W |
| Basin Size: | 114km2 |
The Valea Roștilor is a right tributary of the river Danube in Romania. It discharges into the Danube near Ostrov. Its length is 28km (17miles) and its basin size is 114km2.