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.