Lee Jong-seok (Korean: 이종석; Hanja: 李悰錫 born 21 February 1961) is the 8th President of the Constitutional Court of Korea, appointed by President Yoon Suk Yeol in November 2023 to October 2024.

He graduated Kyeongbuk High School and Seoul National University School of Law, passed 25th National bar exam, and completed 15th Judicial Research and Training Institute program.

He started his legal career as trial court judge at Incheon District Court in 1989 after discharging from mandatory military service as judge advocate.

Following approval of the nomination in National Assembly, President Moon Jae-in appointed him as the Constitutional Court justice in October 2018.

[3] As one of nine Justices in the Constitutional Court of Korea, Lee was famous for his conservative view, including against decriminalizing of abortion.