| Lock Name: | Kudrynki Lock |
| Waterway: | Augustów Canal |
| State: | Podlaskie |
| County: | Augustów |
| Operation: | Manual |
| Maint: | RZGW |
| First: | 1828–1829 |
| Latest: | rebuilt 2005–2008 |
| Length: | 43.41NaN1 |
| Width: | 5.941NaN1 |
| Fall: | 2.271NaN1 |
| Enda: | Biebrza River |
| Distenda: | 77.41NaN1 |
| Endb: | Niemen River |
| Distendb: | 23.81NaN1 |
| Coordinates: | 53.8785°N 23.5016°W |
Kudrynki Lock – the fourteenth lock on the Augustów Canal (from the Biebrza). Built between 1828 and 1829 by Edward Tadeusz Bieliński and Michał Horain. Closed since the end of World War II until the last overhaul was carried out in 2005–2008.