Yu Deuk-gong (Korean: 유득공; Hanja: 柳得恭; 1749–1807) was a Korean scholar during the Joseon Dynasty. He is remembered today for his work in recovering the history of Balhae, which had not generally been considered part of Korean history before his time.

• History of Korea
• Balhaego

• Yu, Deuk-gong. "Yu Tŭkkong: Parhae in Korean history," pp. 186–187 in Ch'oe, Y.; Lee, P.H.; de Bary, W.T., eds. (2000). Sources of Korean tradition vol. 2. Columbia. ISBN 0-231-12031-1. {{cite book}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)

• Dusan Encyclopedia article, in Korean