| Świdwie | |
| Pushpin Map: | West Pomeranian Voivodeship |
| Coords: | 53.5592°N 14.3736°W |
| Basin Countries: | Poland |
| Area: | 8.9km2 |
Świdwie (German: Neuendorfer See) is a lake in north-western Poland, and is the site of a nature reserve and a Ramsar site (one of 13 such sites in Poland).
The lake is situated in West Pomeranian Voivodeship (in Police County) at the edge of the Wkrzańska Forest. It has an area of approximately 8.9km2. It lies on the Gunica River.
It is also a Natura 2000 EU Special Protection Area.