Jang Han-byul (born 4 July 1990) is an Australian-born singer, actor, producer and television personality based in South Korea.

He was the host of After School Club along with co-host, Eric Nam and has appeared on the Code: Secret Room and Society Game.

As a teenager, his parents aspired for Jang to become a golf player because of his athletic abilities but lost his passion for the game after a few years.

Jang admitted in an interview with eNEWS24 that he studied dentistry after being given an ultimatum by his parents that they would allow him to go to Korea to audition to become a singer, only if he had a financially secure option aligned for his future.

His solo soundtrack "Winter Wind" for the South Korean drama, Remember, reached the Top 10 QQ Music Charts in China in 2016. in 2019, Jang participated in a popular Malaysian singing reality competition television series, Big Stage Season 2 and made history by becoming the first and only champion from a foreign country in Malaysian reality television to date.

Jang Han-Byul participated in a Malaysian singing reality competition television series, Big Stage Season 2, in 2019 which aired on Astro Ria.

His challenging and daring song choices was notable throughout the competition where judges such as Siti Nurhaliza gave standing ovations and praised him for his courageous and hard-working artistry.

In the final concert of Big Stage Season 2, Han-Byul made history by becoming the first and only champion from a foreign country in Malaysian reality television.

There was much controversy surrounding the results of the final week with many of the audience voicing their opinion that Jang should have been the champion of the show.

Jang as Piza Panas was number 1 in audience voting in all weeks of competition, making him a fan favourite among netizens for his energetic stage persona and choreographed performances.