|Born||9 March 1994|
Cheongju, Chungcheongbuk-do, South Korea
|Height||1.66 m (5 ft 5+1⁄2 in)|
|Weight||56 kg (123 lb)|
|Sport||Short track speed skating|
|Revised Romanization||Choe Ji-hyeon|
Choi won four distances and the overall classification at the 2010 World Junior Championships in Taipei. She was the first South Korean ever to win a gold medal in the women's 500 metres in the World Junior Championships.