Jang Sung-taek (Tiâu-sián-gí: 장성택/張成澤 Tiuⁿ Sêng-te̍k, 1946 nî 2 goe̍h 6 ji̍t – 2013 nî 12 goe̍h 12 ji̍t) sī Tiâu-sian Bîn-chú-chú-gī Jîn-bîn Kiōng-hô-kok ê chèng-tī jîn-bu̍t. I iā sī Kim Jong-il ê moē-sài kap Kim Jong-un ê ko͘-tiūⁿ.

2013 nî 12 goe̍h 12 ji̍t, i in-uī im-bô͘ poān-loān ê choē-miâ, hō͘ Kim Jong-un phoàⁿ sí-hêng, pēng-chhiáⁿ sûi-chek chip-hêng.