Kim Seok-jin (김석진; born December 4, 1992), known professionally as Jin (진), is a South Korean singer, songwriter, record producer and actor under BigHit Music. He is a member of the boy group BTS.

Jin has co-written and released three solo tracks with BTS: "Awake" in 2016, "Epiphany" in 2018, and "Moon" in 2020, all of which have charted on South Korea's Gaon Digital Chart. He released three self-composed digital singles, "Tonight" in 2019, "Abyss" in 2020 and "Super Tuna" in 2021. Jin made his official debut as a solo artist in October 2022, with the release of the single "The Astronaut".

Apart from singing, Jin appeared as a host on multiple South Korean music programs from 2016 to 2018. In 2018, he was awarded the fifth-class Hwagwan Order of Cultural Merit by the President of South Korea, along with the other members of BTS, for his contributions to Korean culture.