| Tröndelsee | |
| Location: | Kiel, Schleswig-Holstein |
| Pushpin Map: | Schleswig-Holstein |
| Coords: | 54.305°N 10.1725°W |
| Outflow: | Tröndelbach |
| Basin Countries: | Germany |
| Area: | 24ha |
| Elevation: | 30m (100feet) |
| Cities: | Kiel |
Tröndelsee is a lake in Kiel, Schleswig-Holstein, Germany. At an elevation of 30 m, its surface area is 24 ha.