| Kim Yi-su | |
| Native Name: | 김이수 |
| Native Name Lang: | ko |
| Office: | Justice of the Constitutional Court of Korea |
| Term Start: | 20 September 2012 |
| Term End: | September 2018 |
| Birth Date: | 24 March 1953 |
| Alma Mater: | Seoul National University (LL.B.) |
Kim Yi-su (; born 24 March 1953) is a former Justice of the Constitutional Court of Korea.
1982 Judge, Daejeon District Court
1984 Judge, Hongseong Branch of Daejeon District court
1986 Judge, Daejeon District Court
1987 Judge, Suwon District Court
1989 Judge, Seoul High Court
1991 Research Judge, Supreme Court
1993 Senior Judge, Seoul Civil District Court
1993 Chief Judge, Jeongju Branch of Jeonju District Court
1996 Professor of Judicial Research and Training Institute
1999 Senior Judge, Seoul District Court
2000 Senior Judge, Patent Court
2002 Senior Judge, Seoul High Court
2006 Chief Judge, Cheongju District Court
2008 Chief Judge, Incheon District Court
2009 Chief Judge, Seoul Southern District Court
2010 Chief Judge, Patent Court
2011 President of Judicial Research and Training Institute
2012 Justice, Constitutional Court (until September 2018)