| Noc: | KOR |
| Nocname: | Korean Olympic Committee |
| Games: | Summer Olympics |
| Year: | 1948 |
| Website: | |
| Location: | London |
| Competitors: | 50 |
| Sports: | 7 |
| Flagbearer: | Sohn Kee-chung[1] |
| Rank: | 32 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 2 |
| Officials: | 17 |
| Appearances: | auto |
South Korea competed in the Summer Olympic Games in London, United Kingdom. It was the first time Korea competed as an independent country. The Korean Olympic Committee, established in 1946 and recognized in 1947, represented only South Korea although the division of Korea was not fully realized at the time of the 1948 Games.
South Korea won two bronze medals, putting it at the 32nd rank of competing nations.
| Athletes | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | |||
| Lee Yun-Seok | 800 metres | 2:01.4 | 6 (H1) | align=center bgcolor="f4c2c2" colspan=4 | Did not advance | |||
| 1500 metres | - | 9 (H4) | align=center bgcolor="f4c2c2" colspan=4 | Did not advance | ||||
| Sim Bok-Seok | 5000 metres | - | 10 (H2) | align=center bgcolor="f4c2c2" colspan=4 | Did not advance | |||
| Hong Jong-O | Marathon | 2:56:52 | 25 | |||||
| Suh Yun-Bok | 2:59:36 | 27 | ||||||
| Choi Yun-Chil | DNF | align=center | - | |||||
| Athletes | Event | Qualification | Final | |||
|---|---|---|---|---|---|---|
| Result (m) | Rank | Result | Rank | |||
| Kim Won-Kwon | Long Jump | 6.710 | 18 | Did not advance | ||
| Triple Jump | 14.600 | 7T Q | 14.250 | 12 | ||
| An Yeong-Han | Discus Throw | No mark | align=center | - | Did not advance | |
| Gin Gang-Hwan | Hammer Throw | 49.49 | 7 Q | 43.93 | 13 | |
| Pld | W | L | PF | PA | Pts | ||
|---|---|---|---|---|---|---|---|
| 5 | 3 | 2 | 258 | 152 | 8 | ||
| 5 | 3 | 2 | 269 | 162 | 8 | ||
| 5 | 3 | 2 | 234 | 156 | 8 | ||
| 5 | 3 | 2 | 262 | 200 | 8 | ||
| 5 | 3 | 2 | 281 | 202 | 8 | ||
| 5 | 0 | 5 | 113 | 545 | 5 |
An Byeong-Seok, Bang Won-Sun, Chang Ri-Jin, Jo Deuk-Jun, Gang Bong-Hyeon, Kim Jeong-Sin, Lee Jun-Yeong, Lee Sang-Hun, O Su-Cheol
| Athlete | Event | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final | |
|---|---|---|---|---|---|---|---|
| Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank | ||
| Flyweight | W by points | W by points | W by KO (R2) | L by points | W by points | ||
| Seo Byeong-Ran | Featherweight | W by points | W by KO (R2) | L by points | Did not advance | 5T | |
| Gang In-Seok | Lightweight | L by points | align=center colspan="3" bgcolor="f4c2c2" | Did not advance | 9T | ||
| Athlete | Event | Time | Rank | |
|---|---|---|---|---|
| Gwon Ik-hyeon | Individual road race | Did not finish | ||
| Hwang San-ung | Individual road race | Did not finish |
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| Athlete | Event | Press | Snatch | Clean & jerk | Total | Rank | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | |||||
| Lee Gyu-Hyeok | Men's Bantamweight (-56 kg) | 77.5 | 14 | 92.5 | 2 | 120 | 2 | 290 | 4 | |
| Park Dong-Wook | 80 | 7 | 85 | 7 | 107.5 | 12 | 272.5 | 10 | ||
| Nam Su-Il | Men's Featherweight (-60 kg) | 92.5 | 6 | 92.5 | 8 | 122.5 | 2 | 307.5 | 4 | |
| Choi Hang-Gi | 0 | - | 85 | 17 | - | - | 85 | 23 | ||
| Kim Chang-Hui | Men's Lightweight (-67.5 kg) | 95 | 8 | 100 | 7 | 135 | 5 | 330 | 6 | |
| Na Si-Yun | 90 | 14 | 100 | 8 | 140 | 3 | 330 | 7 | ||
| Kim Seong-Jip | Men's Middleweight (-75 kg) | 122.5 OR | 1 | 112.5 | 4 | 145 | 3 | 380 | 3 | |
| Lee Yeong-Hwan | Men's Light-Heavyweight (-82.5 kg) | 100 | 12 | 105 | 14 | 0 | - | 205 | 16 | |
| Athlete | Event | Round 1 | Round 2 | Round 3 | Round 4 | Quarterfinals | Semifinals | Final | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank | |||
| Han Sang-Ryong | Bantamweight (−57 kg) | L by points | Did not advance | N/A | ||||||
| Kim Kuk-Fan | Featherweight (−62 kg) | L by points | Did not advance | N/A | ||||||
| Kim Seok-Yeong | Lightweight (−67 kg) | W by retired | L by fall | Did not advance | 9T | |||||
| Hwang Byeong-gwan | Welterweight (−73 kg) | W by points | L by points | Did not advance | N/A | |||||