Věstonice Reservoir (Czech: Vodní nádrž Nové Mlýny II, Věstonická nádrž) is a reservoir on the Thaya River in the South Moravia. It is 1668 ha in area. The reservoir was built on the place of Mušov village. The area has been protected as a nature reserve since 1994 together with the mouth of rivers Jihlava and Svratka.

• Czech Republic Environmental Law Service - The Nové Mlýny reservoirs Archived 2010-05-04 at the Wayback Machine
• Dam Nové Mlýny
• Littoral 0+ fish assemblages in three reservoirs of the Nové Mlýny Dam (Czech Republic)^{[permanent dead link‍]}