| Ukleisee | |
| Location: | Kreis Ostholstein, Schleswig-Holstein |
| Pushpin Map: | Schleswig-Holstein |
| Coords: | 54.1844°N 10.6372°W |
| Inflow: | Riekenbeke |
| Outflow: | Aue |
| Basin Countries: | Germany |
| Area: | 0.32km2 |
| Depth: | 7.5m (24.6feet) |
| Max-Depth: | 17m (56feet) |
| Shore: | 3km (02miles) |
| Elevation: | 26.5m (86.9feet) |
Ukleisee is a lake in Kreis Ostholstein, Schleswig-Holstein, Germany. At an elevation of 26.5 m, its surface area is 0.32 km². This lake is (as numerous other lakes in this area) a kettle hole, remaining from Weichselian glaciation.