| Těrlicko Reservoir | |
| Coords: | 49.7547°N 18.4961°W |
| Pushpin Map: | Czech Republic |
| Pushpin Map Alt: | Location of the reservoir in the Czech Republic |
| Type: | reservoir |
| Inflow: | Stonávka |
| Outflow: | Stonávka |
| Basin Countries: | Czech Republic |
| Area: | 2.68km2 |
Těrlicko Reservoir (Czech: vodní nádrž Těrlicko) is a water reservoir and dam in Těrlicko in the Moravian-Silesian Region of the Czech Republic. It was built on the Stonávka River in 1955–1964 on an area of .[1]
Construction of the dam had major impact on the municipality of Těrlicko. 141 buildings were sunk, including many community buildings and also a church. Těrlicko was eventually transformed into a village with many tourist attractions. Many recreational centres were built. The reservoir is a popular spot for water sports, and is also used to supply water for nearby coal mines and Třinec Iron and Steel Works.