Těrlicko Dam (Czech: Těrlická přehrada, Vodní nádrž Těrlicko, Polish: Zalew Cierlicki, Zapora wodna Cierlicko) is a water reservoir and dam in Těrlicko, Moravian-Silesian Region, Czech Republic. Its surface is 2.66 km², dam is built on a Stonávka River. It was constructed in 1955–1962.
Construction of the dam had major impact on the village. 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.