Jung Jin-young, professionally known as Jinyoung, is a South Korean singer, songwriter, record producer, and actor. He was a member of boy group B1A4, being its former leader. He is currently managed by BB Entertainment. He has also gained recognition with the television series Love in the Moonlight (2016) and Police University (2021).

B1A4 (Korean: 비원에이포) is a South Korean boy band formed by WM Entertainment. The group debuted on April 23, 2011, with the single "O.K" from the EP Let's Fly, after being introduced to the public through a webtoon. They have released nine studio albums and seven EPs, as well as four compilation albums. The group had considerable commercial and critical success in both the Korean and Japanese markets. They have also toured in the United States.