Klapý is a municipality and village in Litoměřice District in the Ústí nad Labem Region of the Czech Republic.

The first written mention of Klapý is from 1197, when a part of the village was donated to the Teplá Abbey.

In the second half of the 13th century, Klapý Castle was founded on a hill above the village.

[2] The Klapý estate was then shortly owned by King John of Bohemia, who sold it to the Zajíc of Valdek family.

[5] The Church of Saint John the Baptist was built in the Gothic style in the 14th century and restored in 1493.