Suchdol nad Lužnicí (Czech pronunciation: [ˈsuɦdol ˈnad luʒɲɪtsiː]; German: Suchenthal) is a town in Jindřichův Hradec District in the South Bohemian Region of the Czech Republic.

Suchdol nad Lužnicí consists of six municipal parts (in brackets population according to the 2021 census):[2] The name Suchdol is derived from suchý důl, i.e. "dry valley".

It lies in the Třeboň Basin and in the Třeboňsko Protected Landscape Area.

The first written mention of Suchdol nad Lužnicí is from 1362, when it was bought by the Rosenberg family and joined to the Třeboň estate.

After the Battle of White Mountain (1620), properties of the Schwambergs were confiscated by Ferdinand II.