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

The highest point is the flat hill Hlásnice at 447 m (1,467 ft) above sea level.

The Orlík Reservoir, built on the Vltava, begins in the northeastern part of the municipality.

A set of Neoclassical-type homesteads has been preserved in the historic centre of Varvažov, which is protected as a village monument zone.

In the centre of the village is a late Baroque castle from the 18th century, which served as a summer residence of the Knights Hospitaller.