Deoksu Jang clan

Deoksu Jang clan
덕수 장씨
CountryKorea
Current regionKaesong, Kaepung County
FounderJang Sun-ryong
Connected membersQueen Inseon

The Deoksu Jang clan (Korean: 덕수 장씨; Hanja: 德水 張氏) is the bon-gwan or Korean clan from Kaepung County, North Hwanghae Province. The clan was founded by Jang Sun-ryong, an Arab-Uiguric Muslim civil servant who served in the Goryeo court.

According to the Korean census held in 2015, the clan has 24,185 members.