Jang Jin-young (Korean: 장진영; born July 1, 1983) is a South Korean singer and the former lead singer of the boy group Black Beat. He is a vocal director for SM Entertainment and has trained artists such as BoA, Exo, Red Velvet and aespa.^[1][2] In 2013, he opened his own voice coaching company called A-Top Company and is currently the CEO.^[3]

Jang Jin-young made his debut as the lead singer of the boy group Black Beat which was formed by S.M. Entertainment in 2002. The five-member group released their first album Volume 1 – Black Beat #2002 but has been inactive since 2006. He also became a member of the duo 'by JINSUNG' before debuting in 2011 as a solo artist with the release of the single "시간이 흐른 뒤 (Another Time)" and mini album Vocalist.^[4][5][6]

In 2013, he founded his own voice coaching company called A-Top Company with fellow SM Entertainment vocal coach Kim Sung-pil and became the CEO. The company has since trained artists such as Exo, BTS, Red Velvet, NCT, aespa and Dean^[3][7]

He participated as a vocal trainer for S.M. Entertainment in the reality-survival show, K-pop Star and gained popularity in 2017 after appearing in the second season of Sister's Slam Dunk where he earned the nickname "지충쌤" or "Mr. Serious" for his training style.^[8] On June 23, he collaborated with The Barberettes for the song "Stranger's Love" which was released as part of the second season of SM Station, a special digital music project in which S.M. Entertainment releases a single every week.^[9] In July, he became a vocal trainer for the Mnet reality girl group survival show, Idol School along with S.E.S member Bada.^[10]

In 2023, he appeared as a vocal trainer in the MBC reality competition program Fantasy Boys.^[11]

In April 2017, Jang Jin-young announced his plans to marry his girlfriend of 10 years, actress Kang Hae-in (강해인), in October.^[12] They were wed on October 21 at a ceremony attended by the couple's family, friends and other S.M. Entertainment artists.^[13]