| Łęk-Osiek | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Kuyavian-Pomeranian |
| Subdivision Type2: | County |
| Subdivision Name2: | Toruń |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Obrowo |
| Coordinates: | 52.9°N 18.8167°W |
| Pushpin Map: | Poland |
| Population Total: | 96 |
| Population As Of: | 2011 |
Łęk-Osiek is a village in the administrative district of Gmina Obrowo, within Toruń County, Kuyavian-Pomeranian Voivodeship, in north-central Poland.[1]