| Liwa | |
| Mouth Location: | Nogat |
| Mouth Coordinates: | 53.9139°N 18.8844°W |
| Progression: | Nogat→ Vistula Lagoon |
| Subdivision Type1: | Country |
| Subdivision Name1: | Poland |
The Liwa or Liva is a river in northern Poland and a tributary of the Nogat. The largest tributary of the Liwa is the . There are numerous hydropower plants in the upper reaches of the river. The total length of the Liwa is 118.5 km. The biggest city on the river is Kwidzyn.