Velká Deštná (German: Deschneyer Großkoppe) is a mountain in the Hradec Králové Region of the Czech Republic.

Velká Deštná is located in the municipal territory of Deštné v Orlických horách, about 40 kilometres (25 mi) east of the city of Hradec Králové.

North of the summit is the side peak Malá Deštná at 1,090 m (3,580 ft) and south of the summit is the side peak Maruša (also called Marušin kámen) at 1,043 m (3,422 ft).

The entire Orlické Mountains area, including Velká Deštná, belongs to the Orlické hory Protected Landscape Area.

The new observation tower has a steel structure covered with wood and is 19 m (62 ft) high.