Kim Su-hyeon (born 6 February 1995) is a South Korean weightlifter. She competed in the women's 69 kg event at the 2014 Asian Games held in Incheon, South Korea without winning a medal. She finished in 4th place. In 2018, she represented South Korea at the Asian Games held in Jakarta, Indonesia in the women's 69 kg event. She won the bronze medal in the women's 76 kg event at the 2019 Asian Weightlifting Championships held in Ningbo, China. She represented South Korea at the 2020 Summer Olympics in Tokyo, Japan. She competed in the women's 76 kg event.