Dolní Zálezly (German: Salesel) is a municipality and village in Ústí nad Labem District in the Ústí nad Labem Region of the Czech Republic.

Dolní Zálezly is located about 7 kilometres (4 mi) south of Ústí nad Labem.

The first written mention of Dolní Zálezly is in the foundation deed of the Litoměřice Chapter from 1057.

[2] The I/30 road from Ústí nad Labem to Lovosice passes through the municipality.

Dolní Zálezly is located on the railway line Prague–Ústí nad Labem.