| Lake Sülüklü | |
| Location: | Mudurnu, Bolu Province, Turkey |
| Coordinates: | 40.5219°N 30.8736°W |
| Type: | landslide lake |
| Pushpin Map: | Turkey |
| Pushpin Map Alt: | Location of Lake Sülüklü in Turkey. |
Lake Sülüklü (Turkish: Sülüklü Göl), for "Lake of the Leeches", is a freshwater landslide lake located at Tavşansuyu village of Mudurnu district in Bolu Province, Turkey. It is situated in the same-named Nature Park. It is most easily reached from the village of Dokurcun in Akyazı district of Sakarya Province.