Local de nascimento:Danyang County, Chungcheongbuk-do, South Korea
Também conhecido como:Jang Keun-suck, 장근석, Jang Keun Suk , Jang Keunsuk , GeunSuk Jang , Jang Geun-seok, Jang Geun-suk, Jang Keun-seok, Jang Keun-suk, Jang Gun-seok, Jang Gun-suk, Jang Geun-suck, Chang Geun-seok, Chang Geun-suk, 張根碩, Chang Kŭnsŏk, Jang Geunsuk, 张根硕