Tlawng is the Main River of Mizoram.
| Sl No | Name of River | Length in Kms |
| 1 | Tlawng | 185.15 |
| 2 | Tiau | 159.39 |
| 3 | Chhimtuipui (Koladyne) | 138.46 |
| 4 | Khawthlangtuipui (R.Karnaphuli) | 128.08 |
| 5 | Tuichang | 120.75 |
| 6 | Tuirial | 117.53 |
| 7 | Tuichawng | 107.87 |
| 8 | Mat | 90.16 |
| 9 | Tuipui | 86.94 |
| 10 | Tuivawl | 72.45 |
| 11 | Teirei | 70.84 |
| 12 | Tuirini | 59.57 |
| 13 | Serlui | 56.33 |