| Secu River | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Neamţ County |
| Tributaries | |
| - right | Ciungi, Câmpu, Glodu |
| Villages | Vaduri |
| Source | |
| - coordinates | |
| Mouth | Bistriţa |
| - location | Lake Vaduri |
| - elevation | 349.50 m (1,147 ft) |
| - coordinates | |
The Secu River is a tributary of the Bistriţa River in Romania.