Yoon Ki Joong (; 19 December 1931 â 15 August 2023) was a South Korean economist. He was the father of former South Korean president Yoon Suk Yeol.
Yoon was born on 19 December 1931.
His lineage traced back to Yun Sindal (), a founding contributor of the Goryeo Dynasty. Born as the 34th-generation descendant from the progenitor, he was the son of Yun Hobyà Âng ().
Yoon Ki Joong graduated from and subsequently from the Department of Economics at Yonsei University.
In 1958, he completed his postgraduate studies at Yonsei University's Graduate School. He studied at one of the top universities, Hitotsubashi University (Tokyo University Commerce) and was a professor at Yonsei University. From 1958 to 1997, he served as a professor at both Hanyang University and Yonsei University. Until 1997, he held positions as a professor of Applied Statistics at Yonsei University, as well as the presidency of the Korean Statistical Society and the Korean Economic Association.