|Full name||Kim Hyun-sung|
|Date of birth||27 September 1989|
|Place of birth||Suwon, South Korea|
|Height||1.86 m (6 ft 1 in)|
|2005–2007||Dongbuk High School|
|2010–2011||→ Daegu FC (loan)||35||(8)|
|2012||→ Shimizu S-Pulse (loan)||12||(3)|
|2011–2012||South Korea U-23||14||(4)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 21 April 2017.
‡ National team caps and goals correct as of 17 December 2012
|Revised Romanization||Gim Hyeon-seong|
Kim Hyun-Sung (Hangul: 김현성; born 27 September 1989) is a South Korean football forward, who currently plays for Busan IPark in the K League Challenge. He has also played for FC Seoul, Daegu FC, and in Japan for J1 League club Shimizu S-Pulse. He represented South Korea in men's football at the 2012 Summer Olympics in London.
Kim, a product of FC Seoul's youth academy, was elevated to the club's senior squad for the 2009 season, along with a number of other graduates of the academy. However, he failed to appear in a match for FC Seoul at K League, and for the 2010 season was loaned to Daegu FC to gain first team experience. He debuted in Daegu's win over Busan IPark in the League Cup on 6 June 2010. His debut in the K-League itself came a month later in a match against Jeonbuk Hyundai Motors, when he came on as a substitute. Remaining with Daegu for the 2011 season, Kim was firmly established in the side, playing all but four K-league matches during the season as well as scoring seven goals. At the end of the 2011 season, his loan agreement expired and Kim returned to FC Seoul.
On 13 January 2016, Kim Hyun-sung joined Busan IPark.
- As of 21 April 2017
|Club performance||League||Cup||League Cup||Continental||Total|
|2012||Shimizu S-Pulse||J1 League||12||3||2||0||3||0||-||17||3|
|2013||FC Seoul||K League Classic||17||1||2||1||-||5||1||24||3|
|2016||Busan IPark||K League Challenge||3||0||0||0||-||0||0||3||0|
|Total||FC Seoul Career||53||6||6||2||0||0||17||1||76||9|
|Daegu FC Career||35||8||1||1||4||0||0||0||40||9|
|Shimizu S-Pulse Career||12||3||2||0||3||0||0||0||17||3|
|Busan IPark Career||7||0||1||0||0||0||0||0||8||0|
Since 2011, Kim has been a member of the South Korea U-23 team, playing a number of qualifier matches for the Olympics, as well as the 2012 King's Cup, an annual tournament held in Thailand. He played in the Football at the 2012 Summer Olympics and was a bronze medalist.
- "Busan I'Park vs. Daegu FC 2 – 3". www.soccerway.com.
- "Jeonbuk Motors vs. Daegu FC 4 – 0". www.soccerway.com.
- "Kim Hyun-Sung Player Record". www.soccerway.com.
- "Olympic Team Squad for King's Cup (at Thailand, 26/12/2011)". Korean Football Association. Retrieved 27 January 2012.
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