Deogyang District (Korean: 덕양구; RR: Deogyang-gu) is a gu (ward) in Goyang, South Korea.

A wide sedimentary plain developed around the Han River in the west and Gokneungcheon in the north, and the Changneungcheon in the south flows southwest and flows into the Han River.

Deogyang-gu is a district in the eastern part of Goyang, Gyeonggi Province.

It is famous for its natural environment represented by Bukhansan Mountain and the Han River, as well as cultural assets such as the World Cultural Heritage Seosamneung and Seooreung, and the fortress Haengjusanseong.

The name of the district is derived from 'Deogyang-hyeon', the old name of the Deogyang-gu area, and Haengjusanseong is located on the mountain Deogyangsan.