Hong Yun-sung

General Hong Yun-sung (hangul:홍윤성, hanja:洪允成, 1425 - 1475) was a Korean Joseon Dynastys politician and soldier. one ' s staff members of King Sejo, viceprime minister 1467 to 1469 and Prime minister of Joseon Dynastys 1469 to 1470.

Birth name was Woosung (우성 禹成), a penname was Younghae(영해 領海), Gyunghae(경해 傾海), Gyungeumdang (경음당 鯨飮堂), Chinase style name was Suong(수옹 守翁).