| Lake Lidzbark | |
| Pushpin Map: | Warmian-Masurian Voivodeship |
| Location: | Masurian Lake District |
| Basin Countries: | Poland |
| Area: | 122ha |
| Cities: | Lidzbark Welski |
Lake Lidzbark is a lake in Masurian Lake District of Warmia-Masuria Voivodeship of Poland. Lidzbark Welski, a town, lies at the confluence of the lake and the River Wel.