| Medal record | ||
|---|---|---|
| Women's judo | ||
Representing  North Korea
| ||
| Asian Games | ||
 |
2002 Busan | -57 kg |
 |
2006 Doha | -57 kg |
| Asia Championships | ||
|
2004 Almaty | -63 kg |
|
2007 Kuwait City | -63 kg |
| Universiade | ||
|
2003 Daegu | -57 kg |
| Hong Ok-song | |
| Chosŏn'gŭl | 홍옥성 |
|---|---|
| Revised Romanization | Hong Okseong |
| McCune–Reischauer | Hong Oksŏng |
Hong Ok-song (born February 16, 1984) is a North Korean judoka.
Participating in the half-middleweight category (63 kg) at the 2004 Olympic Games, she finished seventh, having lost the repechage semi-final to Driulis González of Cuba.
She won a bronze medal in the lightweight category (57 kg) at the 2006 Asian Games, having defeated Khishigbatyn Erdenet-Od of Mongolia in the bronze medal match.
She currently resides in Pyongyang.