Orlík nad Vltavou is a municipality and village in Písek District in the South Bohemian Region of the Czech Republic.

Orlík nad Vltavou consists of two municipal parts (in brackets population according to the 2021 census):[2] The name is a diminutive of the Czech word orel (i.e. 'eagle').

Orlík was a common name for medieval castles built on a rock, because they resembled an eagle sitting on its nest.

The municipality lies on the shores of the Orlík Reservoir, built on the Vltava River.

It was originally a fortress dating from the early 13th century at the latest, which was expanded into a strong Gothic castle.