| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jablanitsa (vattendrag) |  | 140,000,000 | Jerma | 25,000 | 42.8764000000 | 22.6722000000 | Map | ||||
| Jacks Fork | |||||||||||
| Jacks River | Conasauga River | ||||||||||
| Jaalankajoki |  | Nuorittajoki | |||||||||
| Jaama jõgi | Narva river | 15,400 | 59.0760200000 | 27.6015000000 | Map |