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.