Jin Yun-seong (born 11 October 1995) is a South Korean weightlifter. He is a two-time silver medalist at the World Weightlifting Championships.
He won a medal at the 2019 World Weightlifting Championships.
He won the silver medal in the men's 102 kg event at the 2021 World Weightlifting Championships held in Tashkent, Uzbekistan.