Jeon Jung-kook (전정국; born September 1, 1997), known professionally as Jung Kook (정국), is a South Korean singer, songwriter and record producer. He is the maknae of the boy group BTS, under BigHit Music.

Jung Kook has released two self-produced digital singles, "Still With You" in 2020 and "My You" in 2022. In 2022, he featured on American singer Charlie Puth's single "Left and Right", which peaked at number 22 on the US Billboard Hot 100. Later that year, Jung Kook became the first South Korean artist to release an official song for the FIFA World Cup Soundtrack with "Dreamers", which he subsequently performed at the 2022 FIFA World Cup Opening Ceremony.

In 2023, Jung Kook released his debut solo single "Seven" featuring Latto, which broke numerous chart and streaming records. It simultaneously debuted at number one on the Billboard Hot 100, the Global 200, and the Global Excl. US charts, making him the first Korean solo artist to do so, and eventually became the fastest song in history to surpass 1 billion streams on Spotify. His follow-up single "3D", featuring Jack Harlow, debuted at number five on both the Hot 100 and the UK Singles Chart, making Jung Kook the first South Korean solist to achieve two consecutive top-five entries on the latter. His debut album, Golden, was released on November 3, accompanied by a third single, "Standing Next to You". The album debuted at number two on the Billboard 200, making Jung Kook one of the highest-charting South Korean solo artists in Billboard chart history, and the first to sell over 200,000 copies within a week.

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. In 2024, Jung Kook was promoted to full member of the Korea Music Copyright Association.