| Lanzer See | |
| Location: | Kreis Herzogtum Lauenburg, Schleswig-Holstein |
| Pushpin Map: | Schleswig-Holstein |
| Coords: | 53.417°N 10.6012°W |
| Inflow: | Elbe-Lübeck-Kanal |
| Outflow: | Elbe-Lübeck-Kanal |
| Basin Countries: | Germany |
| Area: | 19.5ha |
| Depth: | 3.5m (11.5feet) |
| Max-Depth: | 7m (23feet) |
| Elevation: | 8.55m (28.05feet) |
Lanzer See is a lake in Kreis Herzogtum Lauenburg, Schleswig-Holstein, Germany. At an elevation of 8,55 m, its surface area is 19.5 ha.