| Bertea | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Prahova County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Lutu Roșu, Bertea, Ostrovu |
| Length: | 14km (09miles) |
| Mouth: | Aluniș |
| Mouth Location: | Ostrovu |
| Mouth Coordinates: | 45.1984°N 25.896°W |
| Progression: | Aluniș→ Vărbilău→ |
| Basin Size: | 36km2 |
| Tributaries Right: | Călmâiasa |
The Bertea is a left tributary of the river Aluniș in Romania. It flows into the Aluniș in the village Ostrovu. Its length is 14km (09miles) and its basin size is 36km2.