| Kim Hyun-su | |
| Birth Date: | 14 February 1973 |
| Position: | Defender |
| Youthyears1: | 1991–1994 |
| Youthclubs1: | Yonsei University |
| Years1: | 1995–2002 |
| Caps1: | 87 |
| Goals1: | 2 |
| Years2: | 1998–1999 |
| Clubs2: | → Sangmu (military service) |
| Years3: | 2003–2008 |
| Caps3: | 127 |
| Goals3: | 2 |
| Nationalyears1: | 1995–1996 |
| Nationalcaps1: | 28 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 1998 |
| Nationalteam2: | South Korea |
| Nationalcaps2: | 7 |
| Nationalgoals2: | 0 |
| Pcupdate: | 18 November 2008 |
| Ntupdate: | 18 November 2008 |
| Hangul: | 김현수 |
| Rr: | Gim Hyeonsu |
| Mr: | Kim Hyŏnsu |
Kim Hyun-su (born February 14, 1973) is a South Korean former footballer who last played as a defender.
He started his club career with Chunnam Dragons.
At the end of the 2002 season, he moved to Jeonbuk Hyundai Motors. On 9 November 2008, at the halftime of last match of 2008 season, he announced his retirement. He desired to be a coach with Jeonbuk Hyundai Motors.
He was part of the South Korea national football team. He played at 1996 Summer Olympics and 1998 Asian Games.